Deep20Bench
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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 Bike pump in 25 counted questions.

Back to all Bike pump rounds
Questions
25
Outcome
Solved
Format errors
No errors
Duration
6m 3s
Round cost
$0.1883 All 26 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.

2 · Answer check returns Yes
Q2
1 · Guesser asks

Is this thing naturally occurring rather than human-made?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing naturally occurring rather than human-made?"}}
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
Q3
1 · Guesser asks

Is this thing typically larger than a standard passenger car?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing typically larger than a standard passenger car?"}}
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

Does this thing typically require electricity or battery power to function?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this thing typically require electricity or battery power to function?"}}
Oracle evidence3 model-reported sources

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

Source 02

Source summary (model-reported)

The page describes bicycle pumps as having several basic types, including floor, frame-mounted, and compact or mini pumps, and identifies stand, hand, and foot pumps as the three main types. Its operating description for a stand pump involves the user pulling and pushing the handle.

Open en.wikipedia.org
Source 03

Source summary (model-reported)

The comparison states that manual bike pumps do not rely on batteries or electrical outlets and contrasts them with electric bike pumps.

Open etenwolf.com
2 · Answer check returns No
Q5
1 · Guesser asks

Is this thing intended to be consumed as food or drink?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing intended to be consumed as food or drink?"}}
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 this object typically small and light enough to be held in one hand?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this object typically small and light enough to be held in one hand?"}}
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 are small in size, portable and easy to carry... Pros: Hand air pumps are lightweight, portable, and easy to use... Floor pumps... are bulky and not very portable.

Open wheelsbikes.com
Source 02

Source summary (model-reported)

Whether you're topping off tires at home or need a quick fix mid-ride, our lineup is built for real-life rides. From ultra-portable mini pumps to powerful electric inflators and classic manual floor pumps...

Open rockbrosus.com
2 · Answer check returns Unknown
Q7
1 · Guesser asks

Is this thing primarily designed to be worn on the human body (such as clothing, footwear, or jewelry)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing primarily designed to be worn on the human body (such as clothing, footwear, or jewelry)?"}}
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 this thing commonly found inside a typical home?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing commonly found inside a typical home?"}}
Oracle evidence3 model-reported sources

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

Source 03

Source summary (model-reported)

The retailer states that every cyclist needs at least one floor pump at home, while also distinguishing compact pumps stored on a bicycle or carried in a pocket or bag.

Open cyclelab.com
2 · Answer check returns Rather no
Q9
1 · Guesser asks

Is this thing a vehicle or used for personal transportation (such as a bicycle, skateboard, or boat)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing a vehicle or used for personal transportation (such as a bicycle, skateboard, or boat)?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q10
1 · Guesser asks

Is this thing primarily used as a tool or implement for manual work?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this thing primarily used as a tool or implement for manual work?"}}
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. The page also lists bicycle pumps among bicycle tools and identifies stand, hand, and foot pump types.

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

Is this tool primarily used in gardening, agriculture, or landscaping?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in gardening, agriculture, 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 guide recommends bicycle pumps for repairing flat tires and checking and topping off bicycle-tire pressure before rides. It describes floor pumps as a way to pump up bicycle tires and discusses matching pump heads to bicycle valve types.

Open blueridgecyclery.com
2 · Answer check returns No
Q12
1 · Guesser asks

Is this tool primarily used in construction, carpentry, or woodworking?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in construction, carpentry, or woodworking?"}}
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 this tool primarily used in medicine, healthcare, or dentistry?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in medicine, healthcare, or dentistry?"}}
Oracle evidence1 model-reported source

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

2 · Answer check returns No
Q14
1 · Guesser asks

Is this tool primarily used in metalworking, blacksmithing, or machining?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in metalworking, blacksmithing, or machining?"}}
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 bicycle-valve connections and use in forcing air into the tire.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

The source describes bicycle pumps as inflation devices for bicycle tires, including products intended for high-pressure bicycle tire applications and products marketed for inflating tires.

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

Is this tool primarily used for hunting, fishing, or catching animals?

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

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

2 · Answer check returns No
Q16
1 · Guesser asks

Is this tool primarily used for lifting, moving, or handling heavy objects or materials?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used for lifting, moving, or handling heavy objects or materials?"}}
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 pushes it into the tire via the valve.

Open en.wikipedia.org
2 · Answer check returns No
Q17
1 · Guesser asks

Is this tool primarily used in art, crafts, or creating textiles?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in art, crafts, or creating textiles?"}}
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 this tool primarily used for measuring, surveying, or navigation?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used for measuring, surveying, or navigation?"}}
Oracle evidence2 model-reported sources

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

Source 01
A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. Some pumps have a gauge that shows the pressure of air that is forced into the tire.
Open en.wikipedia.org
Source 02

Source summary (model-reported)

The page states that a bike pump is used for inflating a tire and discusses selecting pumps based on tire-inflation needs; it also notes that some foot pumps include a pressure gauge.

Open decathlon.com
2 · Answer check returns No
Q19
1 · Guesser asks

Is this tool primarily used in emergency services, firefighting, or law enforcement?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used in emergency services, firefighting, or law enforcement?"}}
Oracle evidence3 model-reported sources

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

Source 02

Source summary (model-reported)

The most critical pump for regular bike maintenance is a floor pump, as it allows for easy and accurate tire inflation at home. The page separately discusses portable pumps for on-the-go repairs and emergencies.

Open prioritybicycles.com
Source 03

Source summary (model-reported)

The guide explains using a pump to inflate bicycle tires to their recommended pressure and identifies a frame pump as a pump that attaches to a bike frame for convenience.

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

Is this tool primarily used for vehicle maintenance or automotive repair?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used for vehicle maintenance or automotive 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 most critical pump for regular bike maintenance is a floor pump, as it allows for easy and accurate tire inflation at home. Portable pumps are recommended for emergency repairs.

Open prioritybicycles.com
2 · Answer check returns Yes
Q21
1 · Guesser asks

Is this tool primarily used for servicing, installing, or removing tires or wheels?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used for servicing, installing, or removing tires or wheels?"}}
Oracle evidence2 model-reported sources

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

2 · Answer check returns Yes
Q22
1 · Guesser asks

Is this tool primarily used for loosening or tightening lug nuts or wheel bolts?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used for loosening or tightening lug nuts or wheel bolts?"}}
Oracle evidence2 model-reported sources

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

Source 01
A bicycle pump is a type of positive-displacement air pump specifically designed for inflating bicycle tires. It has a connection or adapter for use with one or both of the two most common types of valves used on bicycles.
Open en.wikipedia.org
Source 02

Source summary (model-reported)

Use pump with correct valve type to inflate tires to the recommended PSI. The guide describes floor, frame, and hand pumps as tools for adding air to bicycle tires and repairing or preventing flat tires.

Open schwinnbikes.com
2 · Answer check returns No
Q23
1 · Guesser asks

Is this tool primarily used to mount, demount, or pry a tire on or off a wheel rim?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used to mount, demount, or pry a tire on or off a wheel rim?"}}
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 pump compresses air and pushes it into the tire via the valve.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

The instructions list a pump and tire levers among the tools needed for changing a bike tire. They say to use tire levers, or a similar object, to pry the tire over the rim when removing it; the pump is used to inflate the tire.

Open transportation.ucla.edu
2 · Answer check returns No
Q24
1 · Guesser asks

Is this tool primarily used to manually inflate tires with air (such as a hand pump or floor pump)?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily used to manually inflate tires with air (such as a hand pump or floor pump)?"}}
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. ... There are three main types of bicycle pumps: Stand pump, Hand pump, Foot pump. To operate [a stand pump], the user ... pulls and pushes full strokes with handles.

Open en.wikipedia.org
Source 02

Source summary (model-reported)

A floor pump is the fastest and most efficient way to pump up your tires. ... Frame and mini pumps ensure that you'll get home should you get a flat tire on a ride. ... it typically takes more strokes and effort to inflate a tire with a mini than a frame pump.

Open blueridgecyclery.com
2 · Answer check returns Yes
Q25
1 · Guesser asks

Is this tool primarily associated with bicycles?

Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this tool primarily associated with bicycles?"}}
Oracle evidence1 model-reported source

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 hand or foot operated air pump used to inflate bicycle tires

Validator rationale The proposal identifies a bicycle pump, a recognized manual subtype of the target's general kind, with the same defining function of inflating bicycle tires.

Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"a hand or foot operated air pump used to inflate bicycle tires","name":"bicycle pump","question":null}}
2 · Validator returns Yes