Deep20Bench
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10 subjects3 rounds per subject40 question limit
Question answersYesRather yesRather noNoUnknown
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Round

Round 2

Round 2

Identified Bike pump in 29 counted questions.

Back to all Bike pump rounds
Questions
29
Outcome
Solved
Format errors
No errors
Duration
11m 44s
Round cost
$0.5104 All 30 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":"BKXG3AZI"}

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

Q1
1 · Guesser asks

Is the subject a physical, tangible entity?

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

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

Source 01

Source summary (model-reported)

A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. Several basic types are available: Floor pumps, Frame-mounted, Compact or mini.

Open en.wikipedia.org
2 · Answer check returns Yes
Q2
1 · Guesser asks

Is it primarily man-made?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily man-made?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

GIYO states that it designs and manufactures bicycle pumps of various kinds and mass-produces them for bicycle and accessory brands.

Open giyopumps.com
2 · Answer check returns Yes
Q3
1 · Guesser asks

Is the subject a specific, unique individual entity rather than a general category of objects?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a specific, unique individual entity rather than a general category of objects?"}}
Oracle evidence1 model-reported source

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

Source 01

Source summary (model-reported)

A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. Several basic types are available, including floor pumps, frame-mounted pumps, and compact or mini pumps.

Open en.wikipedia.org
2 · Answer check returns No
Q4
1 · Guesser asks

Can it typically be easily lifted or carried by a single person?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Can it typically be easily lifted or carried by a single person?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

The ROCKBROS HW-125 Mini Electric Bike Pump is described as compact and lightweight, with a listed weight of 165 g and dimensions of 90×51×33 mm. The page says it fits easily into a pocket or attaches to a backpack.

Open rockbrosusa.com
Source 02

Source summary (model-reported)

The ROCKBROS electric bike pump is described as travel-friendly and easily portable. Its listed weight is about 410 g (14.4 oz), with dimensions of 6.3 × 2.8 × 1.5 inches.

Open rockbrosusa.com
Source 03

Source summary (model-reported)

The Lezyne Sport Floor Drive 2.5 Dual Valve is identified as a bike floor pump. Its specifications list a weight of 1344 g and dimensions of 664 mm × 255.5 mm × 194.7 mm.

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

Does it typically require electricity or batteries to function?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it typically require electricity or batteries 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)

The bicycle pump compresses air. When the cylinder is compressed, air is pushed down the tube of the pump and then into the tire... When the handle is pulled up again... new air is forced back into the cylinder so the process can be repeated.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

Manual pumps are typically lighter and more compact than their electric counterparts... manual bike pumps do not rely on batteries or electrical outlets. The page contrasts these with electric bike pumps, which inflate tires using electrical power.

Open etenwolf.com
2 · Answer check returns No
Q6
1 · Guesser asks

Is it primarily designed to be worn on the human body, such as clothing, footwear, or an accessory?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily designed to be worn on the human body, such as clothing, footwear, or an accessory?"}}
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 defines a bicycle pump as a type of positive-displacement air pump specifically designed for inflating bicycle tires and lists floor, frame-mounted, and compact or mini pumps as types.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

The guide explains that frame and mini pumps are carried on rides; some mini pumps can be carried in a jersey or pack, while frame pumps may be mounted on the bicycle frame.

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

Is it primarily intended for consumption by humans, such as food, drink, or medicine?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily intended for consumption by humans, such as food, drink, or medicine?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q8
1 · Guesser asks

Is it primarily used as a tool or implement to perform a specific task?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used as a tool or implement to perform a specific task?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

Bicycle pumps are described as equipment used for tire repair, checking tire pressure, topping off tires, and inflating tires; the guide discusses floor, frame, and mini pumps as different bicycle-pump types.

Open blueridgecyclery.com
2 · Answer check returns Yes
Q9
1 · Guesser asks

Is it primarily associated with food preparation, cooking, or dining?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily associated with food preparation, cooking, or dining?"}}
Oracle evidence2 model-reported sources

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

Source 02
A bike pump is a device designed to inflate bicycle tires by compressing and transferring air into an inner tube or tubeless setup through a valve, ensuring proper tire pressure for safe and efficient riding.
Open rinascltabike.com
2 · Answer check returns No
Q10
1 · Guesser asks

Is it primarily used in construction, carpentry, or mechanical repair?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used in construction, carpentry, or mechanical repair?"}}
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 air pumps as including bicycle pumps and states that bicycle pumps are used to inflate bicycle tires; it also notes that they can inflate objects other than bicycle tires with an adapter.

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

Is it primarily used for writing, drawing, or office work?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for writing, drawing, or office work?"}}
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 it primarily used for personal grooming or hygiene?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for personal grooming or hygiene?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns No
Q13
1 · Guesser asks

Is it primarily used for cleaning, tidying, or housekeeping?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for cleaning, tidying, or housekeeping?"}}
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 a bicycle pump as a type of positive-displacement air pump specifically designed for inflating bicycle tires, and explains that it forces air into the tire through its valve.

Open en.wikipedia.org
2 · Answer check returns No
Q14
1 · Guesser asks

Is it primarily used outdoors for gardening, farming, or landscaping?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used outdoors for gardening, farming, or landscaping?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

The product is described as an electric bicycle tire pump intended to inflate road-bike tires, with compatibility for bicycle valve types. Its additional described use is inflating sports balls.

Open auxbeam.com
2 · Answer check returns No
Q15
1 · Guesser asks

Is it primarily used in sewing, needlework, or textile crafts?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used in sewing, needlework, or textile crafts?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns No
Q16
1 · Guesser asks

Is it primarily used in sports, games, or physical exercise?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used in sports, games, or physical exercise?"}}
Oracle evidence3 model-reported sources

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

Source 02

Source summary (model-reported)

The guide describes using bicycle pumps to inflate bicycle tires, including frame pumps carried on a bike and pumps used when repairing a flat tire.

Open schwinnbikes.com
2 · Answer check returns Rather no
Q17
1 · Guesser asks

Is it primarily designed or used for hunting, fishing, or combat?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily designed or used for hunting, fishing, or combat?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q18
1 · Guesser asks

Is it primarily used for measurement, navigation, or scientific observation?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for measurement, navigation, or scientific observation?"}}
Oracle evidence1 model-reported source

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

Source 01

Source summary (model-reported)

The source describes a bicycle pump as a positive-displacement air pump specifically designed for inflating bicycle tires. It also states that some pumps have a gauge showing the air pressure forced into the tire.

Open en.wikipedia.org
2 · Answer check returns No
Q19
1 · Guesser asks

Does it produce sound as its primary purpose or function?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it produce sound as its primary purpose or function?"}}
Oracle evidence1 model-reported source

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

Source 01

Source summary (model-reported)

A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. The bicycle pump compresses air... and then into the tire via the valve.

Open en.wikipedia.org
2 · Answer check returns No
Q20
1 · Guesser asks

Is it primarily used in healthcare, medicine, or aiding physical mobility?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used in healthcare, medicine, or aiding physical mobility?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

The guide describes floor pumps as being used for checking and topping off bicycle tires before rides, and frame or mini pumps as equipment for repairing flat tires during rides.

Open blueridgecyclery.com
2 · Answer check returns No
Q21
1 · Guesser asks

Is it primarily used on or in water, or in connection with watercraft?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used on or in water, or in connection with watercraft?"}}
Oracle evidence2 model-reported sources

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

Source 02

Source summary (model-reported)

The guide describes frame, mini, and floor bicycle pumps as equipment for repairing flat tires and checking, topping off, or inflating bicycle tires before or during rides.

Open blueridgecyclery.com
2 · Answer check returns No
Q22
1 · Guesser asks

Is it primarily used to produce, control, or handle fire, heat, or flame?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to produce, control, or handle fire, heat, or flame?"}}
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 identifies a bicycle pump as a type of positive-displacement air pump specifically designed for inflating bicycle tires, and describes its operation as forcing air into the tire.

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

Is it primarily used to lock, unlock, fasten, or secure things?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to lock, unlock, fasten, or secure things?"}}
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 a bicycle pump as a type of positive-displacement air pump specifically designed for inflating bicycle tires. It explains that the pump compresses air and pushes it into the tire through the valve.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

The source describes bicycle pumps as being used for checking and topping off tire pressure and for inflating tires. It also notes that some pump heads lock onto the valve while inflating.

Open blueridgecyclery.com
2 · Answer check returns No
Q24
1 · Guesser asks

Is it primarily used in the care, control, handling, or riding of animals?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used in the care, control, handling, or riding of animals?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q25
1 · Guesser asks

Is it a vehicle, or primarily used for transportation from one place to another?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a vehicle, or primarily used for transportation from one place to another?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q26
1 · Guesser asks

Is it primarily used for recreation, play, or entertainment?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for recreation, play, or entertainment?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q27
1 · Guesser asks

Does it typically consist of a mesh or openwork structure made of intersecting or woven cords, strings, or wires?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it typically consist of a mesh or openwork structure made of intersecting or woven cords, strings, or wires?"}}
Oracle evidence3 model-reported sources

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

Source 01

Source summary (model-reported)

Hand pumps typically work by using a piston or a lever to compress air into your tire. They usually have a flexible hose and a valve adapter that fits both Presta and Schrader valves.

Open wheelsbikes.com
Source 02

Source summary (model-reported)

The product page describes an outdoor public bike pump as having stainless steel construction, a sealed design, a piston seal, a solid pump rod, and a steel braided air hose core.

Open sportworks.com
Source 03

Source summary (model-reported)

A bike pump is described as a device that inflates bicycle tires by compressing and transferring air, with types including floor pumps, mini pumps, frame-fit pumps, and digital/electric pumps.

Open rinascltabike.com
2 · Answer check returns No
Q28
1 · Guesser asks

Is its primary purpose to inflate objects, or to pump or compress air or other gases?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its primary purpose to inflate objects, or to pump or compress air or other gases?"}}
Oracle evidence2 model-reported sources

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

Source 01

Source summary (model-reported)

A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. The bicycle pump compresses air, which is pushed into the tire via the valve.

Open en.wikipedia.org
2 · Answer check returns Yes
Q29
1 · Guesser asks

Is it primarily used to inflate tires?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to inflate tires?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns Yes
G
1 · Guesser guessesNot counted

bicycle pump

A manual air pump used for inflating bicycle tires.

Validator rationale The proposal identifies the general kind of bicycle pump and retains its defining function; manual pumps are explicitly included.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A manual air pump used for inflating bicycle tires.","name":"bicycle pump","question":null}}
2 · Validator returns Yes