Deep20Bench
v1.1Current

Benchmark edition

Edition 1.1 settings

10 subjects3 rounds per subject40 question limit
Question answersYesRather yesRather noNoUnknown
What changed
Source
Menu
Round

Round 3

Round 3

Did not identify Eyebrow after 40 counted questions.

Back to all Eyebrow rounds
Questions
40 Scored as 41
Outcome
Too many format errors
Format errors
Errors found View one example
Duration
8m 33s
Round cost
$0.2737 All 41 turns

Format warning

The model sent replies in the wrong format.

The Guesser sent 4 invalid replies. Each one before the question limit used up a counted turn. The model was only reminded of the required format; it was never told whether its question or guess was correct.

Valid format
90.2%
Format errors
4
Turns used by format errors
3

Transcript

Questions and answers.

Turns are shown in the order they happened. Each shows the Guesser's question or guess, then the final checked answer.

Exact Guesser setupSystem message and BEGIN event

The Guesser received these messages at the start of the round. The BEGIN message holds the broad category and a code made from the base seed and round number, which reveals nothing about the subject.

System message
You are the Guesser in a Twenty Questions benchmark. Identify the hidden subject using as few
counted turns as possible. BEGIN provides only its broad category. The variation_token has no
clues; do not interpret, mention, or repeat it.

The category in BEGIN has a broad meaning:
- person: a real human, living or historical.
- fictional_character: an invented character from a story, book, comic, film, television,
  game, or another fictional work.
- mythological_figure: a figure from mythology or traditional legend.
- video_game_character: a character known from video games.
- thing: a broad category covering natural and human-made entities, living or nonliving,
  whole entities or parts of them. Possibilities include everyday objects, tools, machines,
  materials, food, animals, plants, body parts, natural structures, geographical features,
  celestial bodies, natural phenomena, and concepts. These possibilities are not exhaustive.
  The target may be a general kind or one particular instance.

Use questions to narrow the supplied category. These definitions are not a list of targets.

Use ASK for a factual question that distinguishes candidates. Never use ASK to confirm a
specific identity. Use GUESS with a name and short identifying description to name a candidate.

ASK has five possible replies:
- YES or NO: the evidence establishes that answer to the exact question.
- RATHER_YES or RATHER_NO: evidence leans that way, but is not strong enough for a firm answer.
  Treat this as a clue; keep candidates fitting the opposite answer possible.
- UNKNOWN: no reliable direction. It supports neither answer.

Ask clear questions about verifiable properties. "Can", "sometimes", "usually", "always", and
"mainly" ask different things. Do not assume that one property proves another or rules out alternatives.
Qualified replies express uncertainty about your question, not how often a property applies.
Before narrowing heavily, check your key assumption with a different property. After rejected
guesses, reconsider earlier assumptions as well as candidates. Answers can be mistaken; check
another property when stuck. Do not ignore an answer merely because it conflicts with a
preferred candidate.

Each ASK, rejected GUESS, or format error before the limit costs one turn. A correct GUESS costs
none. After 40 counted turns, make one final GUESS; ASK is then forbidden. Identity
validation uses only YES, NO, or UNKNOWN. UNKNOWN on GUESS ends the game without success.

FORMAT_ERROR means your output broke the contract, was not checked for correctness, and cost
one turn. Retry using its displayed formats if a turn remains. Return only the required JSON
object with exactly one result action. No explanations, reasoning, or extra fields.
BEGIN event
{"category":"thing","event":"BEGIN","variation_token":"AMZAISLM"}

Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.

Q1
1 · Guesser asks

Is the thing a living organism?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a living organism?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q2
1 · Guesser asks

Is the thing a physical object that can be touched?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a physical object that can be touched?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q3
1 · Guesser asks

Is the thing a man-made object?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a man-made object?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q4
1 · Guesser asks

Is the thing a solid?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a solid?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The NIH Elements of Morphology source defines the eyebrow as “the arch of hair on the brow.” It describes the eyebrow hairs as having different orientations in its medial, middle, and lateral parts.

Open elementsofmorphology.nih.gov
Source 02

Source summary (model-reported)

The source describes human hair as “a complex biological fiber with a nanocomposite structure,” whose main component is the protein keratin. It also describes the cuticle and cortex as components of the hair fiber.

Open sciencedirect.com
2 · Answer check returns Yes
Q5
1 · Guesser asks

Is the thing a mountain?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a mountain?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q6
1 · Guesser asks

Is the thing primarily composed of rock or mineral material?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing primarily composed of rock or mineral material?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q7
1 · Guesser asks

Is the thing a natural formation consisting primarily of ice?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a natural formation consisting primarily of ice?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q8
1 · Guesser asks

Is the thing commonly consumed by humans as food?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing commonly consumed by humans as food?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

Eyebrow hair serves many important biologic and aesthetic functions. This article reviews the structure and function of the hair follicle ... Eyebrow hair follicles share the same basic structure as hair follicles elsewhere on the body.

Open pubmed.ncbi.nlm.nih.gov
Source 03

Source summary (model-reported)

The eyebrow is an area of coarse skin hairs above the eye that follows the shape of the brow ridges. The main function of the eyebrows is to prevent moisture ... from flowing into the eye.

Open wikidoc.org
2 · Answer check returns No
Q9
1 · Guesser asks

Is the thing derived from a tree?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing derived from a tree?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q10
1 · Guesser asks

Is the thing derived from an animal?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing derived from an animal?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 03

Source summary (model-reported)

The source defines an animal product as material derived from the body of a non-human animal or from animal excretions, with examples including meat, fat, blood, milk, eggs, and honey.

Open en.wikipedia.org
2 · Answer check returns Unknown
Q11
1 · Guesser asks

Is the thing roughly spherical in shape?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing roughly spherical in shape?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs, directed obliquely on the surface.
Open imaios.com
2 · Answer check returns No
Q12
1 · Guesser asks

Is the thing a part of a vertebrate's body?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a part of a vertebrate's body?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The study concerns the topographic anatomy of the male eyebrow and describes its three-dimensional relation to the eye and supraorbital rim. Its MeSH terms include “Eyebrows / anatomy & histology” and “Humans.”

Open pubmed.ncbi.nlm.nih.gov
2 · Answer check returns Yes
Q13
1 · Guesser asks

Is the thing part of the skeletal system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the skeletal system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02
The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs.
Open imaios.com
2 · Answer check returns No
Q14
1 · Guesser asks

Is the thing primarily involved in pumping blood throughout the body?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing primarily involved in pumping blood throughout the body?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The area of curved, delicate hairs above our eyes are believed to channel unwanted moisture—sweat and rain in particular—away from the eye to help keep vision clear. They also help to block out light and filter dust and dirt that may fall into the eyes. Experts also believe that eyebrows play an important role in human communication and facial expression.

Open aao.org
2 · Answer check returns No
Q15
1 · Guesser asks

Is the thing primarily composed of keratin?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing primarily composed of keratin?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The eyebrows are two arched eminences of integument ... and support numerous short, thick hairs ... The eyebrows consist of thickened integument, connected beneath with the Orbicularis oculi, Corrugator, and Frontalis muscles.

Open imaios.com
2 · Answer check returns No
Q16
1 · Guesser asks

Is the thing primarily located within the head (cranial cavity)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing primarily located within the head (cranial cavity)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns No
Q17
1 · Guesser asks

Is the thing part of the nervous system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the nervous system?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs... Systemic anatomy > Sense organs > Eye and related structures > Accessory visual structures > Eyebrow.

Open imaios.com
Source 03

Source summary (model-reported)

Hairs of eyebrow... Systemic anatomy > The integument > Skin > Hairs > Eyebrows... Integrating systems > Integument > Skin appendages > Hairs > Hairs of eyebrow.

Open imaios.com
2 · Answer check returns No
Q18
1 · Guesser asks

Is the thing part of the respiratory system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the respiratory system?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs... Systemic anatomy > Sense organs > Eye and related structures > Accessory visual structures > Eyebrow.

Open imaios.com
Source 03

Source summary (model-reported)

The source presents the respiratory system under chapters including structure and function, anatomy of the respiratory system, cytology of the lung, respiratory physiology, control of ventilation, gas transfer, and exercise testing.

Open publications.ersnet.org
2 · Answer check returns No
Q19
1 · Guesser asks

Is the thing part of the digestive system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the digestive system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The eyebrow is classified under regions of the head and under the sense organs, eye and related structures, as an accessory visual structure. The eyebrows are described as arched eminences of integument supporting short, thick hairs.

Open imaios.com
Source 02

Source summary (model-reported)

The human digestive system is the system used in the human body for digestion. It consists primarily of the digestive tract and structures and organs involved in processing food and liquids, absorption, and elimination.

Open britannica.com
2 · Answer check returns No
Q20
1 · Guesser asks

Is the thing used for chewing or grinding food?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing used for chewing or grinding food?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The source describes eyebrows as helping prevent debris, sweat, and water from falling into the eye socket, and as serving an important role in expressing friendliness and subtle emotions.

Open sapiens.org
Source 02

Source summary (model-reported)

The source identifies the lateral pterygoid, masseter, medial pterygoid and temporalis as the facial muscles involved in chewing (muscles of mastication). It separately lists eyebrows among facial areas involved in facial expression.

Open my.clevelandclinic.org
2 · Answer check returns No
Q21
1 · Guesser asks

Is the thing part of the immune system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the immune system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The NCBI Bookshelf describes immune-system components as cells that originate in the bone marrow and migrate through the blood and lymphatic system to guard peripheral tissues.

Open ncbi.nlm.nih.gov
2 · Answer check returns No
Q22
1 · Guesser asks

Is the thing part of the urinary system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the urinary system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The page describes the anatomy of the urinary system, including the urethra, which allows urine to pass outside the body, and the bladder and other urinary structures.

Open hopkinsmedicine.org
2 · Answer check returns No
Q23
1 · Guesser asks

Is the thing a muscle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a muscle?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The source states that the frontalis muscle raises the eyebrows and that the corrugator supercilii, orbicularis oculi, and procerus muscles play roles in depressing them. It describes the frontalis as a separate muscle that inserts at the eyebrow dermis.

Open ncbi.nlm.nih.gov
2 · Answer check returns No
Q24
1 · Guesser asks

Is the thing located in the mouth?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing located in the mouth?"}}
Oracle evidence1 model-reported source

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
Brow: The soft tissue at the junction of the frontalis and orbicularis oculi muscles, overlying the bony supraorbital ridge. Eyebrow: The arch of hair on the brow. The eyebrows usually extend further laterally than medially, in relation to the eye.
Open elementsofmorphology.nih.gov
2 · Answer check returns No
Q25
1 · Guesser asks

Is the thing located on the external surface of a vertebrate’s body?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing located on the external surface of a vertebrate’s body?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02
The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs, directed obliquely on the surface.
Open imaios.com
2 · Answer check returns Yes
Q26
1 · Guesser asks

Does the thing contain blood vessels?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the thing contain blood vessels?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
Supraorbital artery: In the orbit supplies the supeior rectus and levator palpebral muscles. It then passes through the supraorbital foramen and its terminal branches supply the eyebrow and forehead.
Open eyewiki.aao.org
2 · Answer check returns Yes
Q27
1 · Guesser asks

Is the thing the largest organ by surface area in a vertebrate?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing the largest organ by surface area in a vertebrate?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The source states that skin is the largest organ in the human body and covers roughly 1.6 to 1.8 square meters of surface area, making it larger than any other single organ.

Open scienceinsights.org
2 · Answer check returns No
Q28
1 · Guesser asks

Is the thing part of the integumentary system?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the integumentary system?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01
The Eyebrows (supercilia) are two arched eminences of integument, which surmount the upper circumference of the orbits, and support numerous short, thick hairs... The eyebrows consist of thickened integument.
Open imaios.com
2 · Answer check returns Yes
Q29
1 · Guesser asks

Is the thing part of the ear?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing part of the ear?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 01

Source summary (model-reported)

The page defines the eyebrow as “the arch of hair on the brow” and places it within the anatomy of the periorbital region. It describes the brow as overlying the bony supraorbital ridge and discusses the eyebrow’s relation to the eye.

Open elementsofmorphology.nih.gov
Source 02

Source summary (model-reported)

The study concerns the topographic anatomy of the eyebrow and its three-dimensional relation to the eye and supraorbital rim; its indexed subject is eyebrow anatomy and histology.

Open pubmed.ncbi.nlm.nih.gov
2 · Answer check returns No
Q30
1 · Guesser guesses

Fish scale

A hard, bony plate covering the exterior of a fish, part of its integumentary system

Validator rationale The proposal identifies a fish scale, a bony covering of fish, whereas the target is the human eyebrow anatomical feature.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A hard, bony plate covering the exterior of a fish, part of its integumentary system","name":"Fish scale","question":null}}
2 · Validator returns No
Q31
1 · Guesser asks

Is the thing a gland?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a gland?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The PubMed record for a 2014 review concerns “The biology, structure, and function of eyebrow hair” and lists eyebrow anatomy, hair, and hair follicle structure and physiology among its subject terms.

Open pubmed.ncbi.nlm.nih.gov
2 · Answer check returns No
Q32
1 · Guesser asks

Is the thing a layer of skin that lies beneath the outermost layer (the epidermis)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a layer of skin that lies beneath the outermost layer (the epidermis)?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02

Source summary (model-reported)

The epidermis is the outermost layer of skin, while the dermis is found beneath the epidermis and contains connective tissue, hair follicles, blood vessels, lymphatic vessels, and sweat glands.

Open ncbi.nlm.nih.gov
2 · Answer check returns No
Q33
1 · Guesser asks

Is the thing primarily composed of adipose (fat) tissue?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing primarily composed of adipose (fat) tissue?"}}
Oracle evidence3 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

Source 02
The skin of the eyebrow is hair-bearing, thick, and rich in sweat and sebaceous glands. The eyebrow fat pad lies between the periosteum and deep fascia... The frontalis muscle is responsible for elevation of the eyebrow.
Open plasticsurgerykey.com
Source 03

Source summary (model-reported)

The article reviews the biology, structure, and function of eyebrow hair and states that eyebrow hair follicles share the same basic structure as hair follicles elsewhere on the body.

Open pubmed.ncbi.nlm.nih.gov
2 · Answer check returns No
Q34
1 · Guesser guesses

Skin

The external covering of a vertebrate's body, comprising the epidermis and dermis

Validator rationale The proposal identifies skin, whereas the target is the human eyebrow, a distinct anatomical feature above the eye.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"The external covering of a vertebrate's body, comprising the epidermis and dermis","name":"Skin","question":null}}
2 · Validator returns No
Q35
1 · Guesser asks

Is the thing associated with hair growth?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing associated with hair growth?"}}
Oracle evidence2 model-reported sources

The Oracle reported these excerpts and URLs. They are not independently checked.

2 · Answer check returns Yes
Q36
1 · Guesser guesses

Hair follicle

A small cavity in the skin that produces and supports hair growth, containing blood vessels and part of the integumentary system

Validator rationale A hair follicle is a skin structure that produces hair, whereas the target is the eyebrow as the anatomical area of short hairs above the eye.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A small cavity in the skin that produces and supports hair growth, containing blood vessels and part of the integumentary system","name":"Hair follicle","question":null}}
2 · Validator returns No
Q37
1 · Guesser reply rejectedTurn counted

Reply in the wrong format.

Output limit exceeded · fixed format reminder sent

Why this reply was rejectedOutput limit exceeded · turn 37

The reply hit the output length limit before it was complete.

Recorded type
output_limit_exceeded
Turn
37
Counted
Yes · question 37
Feedback
FORMAT_ERROR
What the model returnedExact text from the provider

The provider returned no text.

What a valid reply looks likeThe same formats shown to the Guesser
ASK
{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}
GUESS
{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}}

A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.

2 · System responseFORMAT
Q38
1 · Guesser reply rejectedTurn counted

Reply in the wrong format.

Output limit exceeded · fixed format reminder sent

Why this reply was rejectedOutput limit exceeded · turn 38

The reply hit the output length limit before it was complete.

Recorded type
output_limit_exceeded
Turn
38
Counted
Yes · question 38
Feedback
FORMAT_ERROR
What the model returnedExact text from the provider

The provider returned no text.

What a valid reply looks likeThe same formats shown to the Guesser
ASK
{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}
GUESS
{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}}

A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.

2 · System responseFORMAT
Q39
1 · Guesser reply rejectedTurn counted

Reply in the wrong format.

Output limit exceeded · fixed format reminder sent

Why this reply was rejectedOutput limit exceeded · turn 39

The reply hit the output length limit before it was complete.

Recorded type
output_limit_exceeded
Turn
39
Counted
Yes · question 39
Feedback
FORMAT_ERROR
What the model returnedExact text from the provider

The provider returned no text.

What a valid reply looks likeThe same formats shown to the Guesser
ASK
{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}
GUESS
{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}}

A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.

2 · System responseFORMAT
Q40
1 · Guesser guesses

Dermal papilla

A small capillary‑rich structure at the base of a hair follicle that supplies nutrients and signals for hair growth, part of the integumentary system

Validator rationale A dermal papilla is a structure at the base of a hair follicle, whereas an eyebrow is the anatomical hair-bearing feature above the eye; it is a different part, not the eyebrow itself.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A small capillary‑rich structure at the base of a hair follicle that supplies nutrients and signals for hair growth, part of the integumentary system","name":"Dermal papilla","question":null}}
2 · Validator returns No
END
1 · Guesser reply rejectedLimit reached

Reply in the wrong format.

Output limit exceeded · round ended without a retry

Why this reply was rejectedOutput limit exceeded · turn 41

The reply hit the output length limit before it was complete.

Recorded type
output_limit_exceeded
Turn
41
Counted
No
Feedback
No retry
What the model returnedExact text from the provider

The provider returned no text.

What a valid reply looks likeThe same formats shown to the Guesser
ASK
{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}
GUESS
{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}}

A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.

2 · System responseFORMAT