Deep20Bench
v1.1Current

Benchmark edition

Edition 1.1 settings

10 subjects3 rounds per subject40 question limit
Question answersYesRather yesRather noNoUnknown
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Round

Round 1

Round 1

Identified Door handle in 23 counted questions.

Back to all Door handle rounds
Questions
23
Outcome
Solved
Format errors
No errors
Duration
6m 28s
Round cost
$0.1942 All 24 turns

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":"EAQCORIU"}

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

Q1
1 · Guesser asks

Is this thing a physical, tangible entity?

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

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

Source 02

Source summary (model-reported)

A pull handle, also known as a door pull or handle, is a type of door hardware designed to provide a grip for opening and closing doors easily. Pull handles typically consist of a solid, elongated structure, such as a bar or rod, that protrudes from the surface of the door.

Open assaabloy.com
2 · Answer check returns Yes
Q2
1 · Guesser asks

Is this thing alive or was it once part of a living organism?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing alive or was it once part of a living organism?"}}
Oracle evidence3 model-reported sources

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

Source 02

Source summary (model-reported)

A door handle is the handle used to open and close a door. Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com
2 · Answer check returns No
Q3
1 · Guesser asks

Is this thing man-made or manufactured by humans?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing man-made or manufactured by humans?"}}
Oracle evidence2 model-reported sources

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

Source 01

Source summary (model-reported)

Supplied subject data describes the target as “the hand-operated fitting used to open and close a building door” and specifies that it is the handle fitting itself, not the whole door, a lock mechanism, or the material from which it is made.

Open en.wikipedia.org
2 · Answer check returns Yes
Q4
1 · Guesser asks

Is this thing a specific, unique entity (such as a famous monument or work of art) rather than a general class of objects?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing a specific, unique entity (such as a famous monument or work of art) rather than a general class of objects?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns No
Q5
1 · Guesser asks

Is this object typically small enough to be held or carried in one hand?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object typically small enough to be held or carried in one hand?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

The catalog's door-hardware listings include overall lengths such as 4, 5, 6, 6-3/4, 8, and 10 inches, alongside other hardware dimensions.

Open nyhardware.com
2 · Answer check returns Yes
Q6
1 · Guesser asks

Does this object typically require or use electricity to function?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this object typically require or use electricity to function?"}}
Oracle evidence2 model-reported sources

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

Source 01

Source summary (model-reported)

A hands free door opener like an arm or foot pull ... allows the user to open doors without grasping the hardware with their hands ... because they do not require electricity to operate ... Electrified hold-open devices ... uses electricity to activate a magnet ... This fully automated option ... [uses] electrified hardware and actuators [to] open and close the door for you.

Open laforceinc.com
Source 02

Source summary (model-reported)

Electro-mechanical: An electro-mechanical mechanism opens and closes the door using a mechanical motor. ... Automatic door openers ... can be activated ... by pushing a button, an electric motor, a hydraulic closer, a pneumatic system, [or] a touchless sensor.

Open qualitydoor.com
2 · Answer check returns No
Q7
1 · Guesser asks

Is this object primarily made of metal?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object primarily made of metal?"}}
Oracle evidence3 model-reported sources

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

Source 01
Most door knobs and levers are made from brass. Historically, door knobs and levers have been made from glass, wood, clay, bronze, brass, iron, and steel. Today, most door hardware in the U.S. is brass, but you’ll also find options made from bronze, stainless steel, iron, pewter, and other metals.
Open brennancorp.com
Source 03

Source summary (model-reported)

The product range lists door handles in materials including aerospace-grade aluminum, brass, solid brass, stainless steel, zinc, and other material and finish options.

Open frelanhardware.co.uk
2 · Answer check returns Yes
Q8
1 · Guesser asks

Is this object typically used as currency, jewelry, or personal adornment?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object typically used as currency, jewelry, or personal adornment?"}}
Oracle evidence2 model-reported sources

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

Source 01

Source summary (model-reported)

A handle is used as an attachment to manipulate or grip an object or machinery, such as opening or closing a door. ... Door handles can also function as home decor.

Open reidsupply.com
Source 02

Source summary (model-reported)

The passage door handle is one of the most common types of doorknobs ... typically used on closet and basement doors, and other interior doors that do not require a lock.

Open thespruce.com
2 · Answer check returns No
Q9
1 · Guesser asks

Is this object commonly used as a tool or utensil?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object commonly used as a tool or utensil?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

Britannica defines an implement as “an object used to do work: tool,” and explains that “utensil suggests a fairly simple device used for jobs in a person's house.”

Open britannica.com
2 · Answer check returns No
Q10
1 · Guesser asks

Is this object primarily used as a fastener or to hold things together?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object primarily used as a fastener or to hold things together?"}}
Oracle evidence3 model-reported sources

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

Source 03

Source summary (model-reported)

Set screws are fasteners that hold the handle or knob on the spindle. Through-bolt mounting secures door handles with bolts that pass entirely through the door.

Open doordesignlab.com
2 · Answer check returns No
Q11
1 · Guesser asks

Is this object primarily designed to contain or hold other substances or items?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object primarily designed to contain or hold other substances or items?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns No
Q12
1 · Guesser asks

Is this object primarily used for entertainment, play, or recreation (such as a toy or game piece)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object primarily used for entertainment, play, or recreation (such as a toy or game piece)?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle, often found in residential houses and commercial and public buildings. ... Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.

Open en.wikipedia.org
Source 03
A door handle is a mechanism that is attached to a door to enable the user to open or close it. It is typically made of metal, wood, or plastic and is designed to be grasped by the hand and turned or pulled to operate the door.
Open design-encyclopedia.com
2 · Answer check returns No
Q13
1 · Guesser asks

Is this object associated with security, locking, or controlling access (such as a key or lock)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object associated with security, locking, or controlling access (such as a key or lock)?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

A lever lock handle ... has a cut out to suit a certain profile of lock ... The lever handle will withdraw the latch bolt in the lockcase when depressed. ... The door handle with lock and key options provides a traditional solution for securing and operating your doors.

Open doorcontrolsdirect.co.uk
Source 02

Source summary (model-reported)

Code Handle ... is designed to enable conveniently controlled access to a door. ... Lever handle with integrated code lock ... Designed to provide convenient keyless access to a door by replacing the existing door handle.

Open assaabloy.com
Source 03

Source summary (model-reported)

Digital door handles ... enable electronic access control of an access point ... as soon as the dedicated built-in RFID reader detects authorized transponders or chip cards, the door handle couples in and the door can be opened.

Open telenot.com
2 · Answer check returns Yes
Q14
1 · Guesser asks

Is this object used specifically to open or operate a lock (such as a key)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object used specifically to open or operate a lock (such as a key)?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

The most common type of door handle is the lever latch or latch door handle... The door handle has only a lever handle or knob which operates this latch. Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened. This type of door handle is used on interior doors that do not need to be locked.

Open en.wikipedia.org
Source 03

Source summary (model-reported)

The essential difference between door locks and door latches is that a door lock mechanism offers a higher level of security. A door lock needs the correct key to operate it... A latch is a mechanism that protrudes from a door to hold it closed.

Open aspire-doors.co.uk
2 · Answer check returns No
Q15
1 · Guesser asks

Is this object a type of lock itself (such as a padlock or combination lock)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object a type of lock itself (such as a padlock or combination lock)?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

A door handle is the handle used to open and close a door. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.

Open dictionary.com
Source 02

Source summary (model-reported)

A standard door handle operates a latch, while a lock door handle has a keyhole allowing a key to operate a sash lock inside the door. Pull handles may be used on doors that do not require latching or locking mechanisms.

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

Is this object typically installed or mounted on a door, gate, or entranceway?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object typically installed or mounted on a door, gate, or entranceway?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns Yes
Q17
1 · Guesser asks

Does this object physically block, latch, or restrict the movement or opening of the door or gate?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this object physically block, latch, or restrict the movement or opening of the door or gate?"}}
Oracle evidence2 model-reported sources

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

Source 01
The door handle has only a lever handle or knob which operates this latch. Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.
Open en.wikipedia.org
Source 02

Source summary (model-reported)

A door latch is a mechanism that protrudes from a door to hold it closed. The latch bolt is the part of the latch that extends from the door and holds the door in place; the interior or exterior knob or lever is listed separately as door furniture.

Open aspire-doors.co.uk
2 · Answer check returns No
Q18
1 · Guesser asks

Is this object used to look or see through to observe who is on the other side of a door?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object used to look or see through to observe who is on the other side of a door?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns No
Q19
1 · Guesser asks

Is this object a component or fitting of a lock mechanism (such as a strike plate or escutcheon)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object a component or fitting of a lock mechanism (such as a strike plate or escutcheon)?"}}
Oracle evidence3 model-reported sources

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

Source 01
Lockset - This term generally refers to the components that make up the complete assembly of the lock system, including the lock mechanism, knob or handle, keys, strike plate, face plate, and other accessories.
Open level.co
Source 02

Source summary (model-reported)

The mechanism that enables you to open and close the door is called a door knob, handle, or lever. The escutcheon is the decorative metal plate around a door handle or knob, while the latch strike plate is on the frame where the latch enters.

Open level.co
2 · Answer check returns Unknown
Q20
1 · Guesser asks

Is this object used to produce sound, such as to announce a visitor or request entry (like a knocker or bell)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object used to produce sound, such as to announce a visitor or request entry (like a knocker or bell)?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

A door knocker is an item of door furniture that allows people outside a house or other dwelling or building to alert those inside to their presence. It may be used to strike a plate fitted to the door, or the door itself, making a noise.

Open en.wikipedia.org
2 · Answer check returns No
Q21
1 · Guesser asks

Is this object designed to be turned, rotated, or moved by hand to operate or gain access?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object designed to be turned, rotated, or moved by hand to operate or gain access?"}}
Oracle evidence3 model-reported sources

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

Source 02
Door knobs need to be rotated in either direction for the door they're installed in, to either open or close. A dummy door knob is something to pull in order to open and close the door.
Open hiatt-hardware.com
2 · Answer check returns Yes
Q22
1 · Guesser asks

Is this object generally round or spherical in shape, rather than an elongated lever or handle?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object generally round or spherical in shape, rather than an elongated lever or handle?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

Door handles and door knobs can both be used to open or close a door. A door handle is a lever operated device while a door knob usually is shaped like a oval or round shape.

Open atlantichandles.com
Source 02

Source summary (model-reported)

In Germany, the door handle is the most common door fitting. Internationally, however, the doorknob is more common. The source describes round, symmetrical knobs and distinguishes them from lever handle sets.

Open griffwerk.de
2 · Answer check returns Unknown
Q23
1 · Guesser asks

Is the primary function of this object to provide a grip for grasping to open, close, or pull a door?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the primary function of this object to provide a grip for grasping to open, close, or pull a door?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

Dictionary.com defines a door handle as “the handle used to open and close a door.” It also explains that door handles may be knobs, turning handles, or fixed bars.

Open dictionary.com
Source 02

Source summary (model-reported)

ASSA ABLOY describes a pull handle as door hardware “designed to provide a grip for opening and closing doors easily,” offering a comfortable grip and leverage for exerting force when operating the door.

Open assaabloy.com
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted

door handle

A mechanism or fitting attached to a door used to grasp, turn, or pull it open and closed.

Validator rationale The proposal identifies the general kind: the hand-operated door-handle fitting used to open and close a door.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A mechanism or fitting attached to a door used to grasp, turn, or pull it open and closed.","name":"door handle","question":null}}
2 · Validator returns Yes