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.
- Questions
- 15
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 3m 53s
- Round cost
- $0.2514 All 16 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.
{"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.
1 of 15 answers in this round reuse an earlier, fully checked answer with its original evidence. No new search or check ran for those turns.
Q1
1 · Guesser asks
Is it a physical object or substance made by humans?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical object or substance made by humans?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
Source summary (model-reported)
ASSA ABLOY describes its pull handles as a range of stainless steel pull handles that is manufactured using specified materials, and says they are suitable for wooden, metal, and glass doors.
Open assaabloy.com (opens in a new tab)Source summary (model-reported)
Topunion Hardware & Plastic Co., Limited identifies itself as a manufacturer/factory whose main products include door hardware, door locks, and door handles, and states that its products are designed and manufactured according to ANSI or EN/DIN standards.
Open topunionhardware.en.made-in-china.com (opens in a new tab) 2 · Answer check returns Yes
Q2
1 · Guesser asks
Is it commonly found in homes?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it commonly found in homes?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The passage door handle is one of the most common types of doorknobs... They are common in many styles of homes... most interior doors have standard passage doorknobs or door levers.Open thespruce.com (opens in a new tab)
Source summary (model-reported)
Door handles and locks offer essential privacy and security for the doors throughout your home, both interior and exterior. The page also lists interior door knob sets and modern door handles that fit homes.
Open signaturehardware.com (opens in a new tab) 2 · Answer check returns Yes
Q3
1 · Guesser asks
Does it use electricity to perform its primary function?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it use electricity to perform its primary function?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
It’s now common for some cars’ exterior door handles to remain flush against the door until the car is unlocked, requiring an electric motor to open. On many vehicles, interior door handles have been replaced by buttons that require electricity and motors to function. The article also describes manual backup releases.
Open consumerreports.org (opens in a new tab)The product listing specifies “Handle/Operation | Rotary/Manual” for a door-mounted handle.Open stateelectric.com (opens in a new tab)
2 · Answer check returns Unknown
Q4
1 · Guesser asks
Is it small enough for an adult to comfortably hold in one hand?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it small enough for an adult to comfortably hold in one hand?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
ADA requires door handles to be ... operable with one hand, and without tight grasping or twisting. ... ADA door handles ... Allow one-hand operation. Not require tight grasping, pinching, or twisting of the wrist.
Open watersonusa.com (opens in a new tab)Source summary (model-reported)
The Total Door Handle has a width of 6.18” (157 mm), height of 1.1” (28 mm), and depth of 2.01” (51 mm).
Open dimensions.com (opens in a new tab) 2 · Answer check returns Yes
Q5
1 · Guesser asks
Is it primarily associated with preparing, serving, or consuming food or drinks?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily associated with preparing, serving, or consuming food or drinks?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle or doorknob is a handle used to open or close a door.Open en.wikipedia.org (opens in a new tab)
A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q6
1 · Guesser asks
Is its primary purpose related to personal hygiene, grooming, or health?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its primary purpose related to personal hygiene, grooming, or health?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle or doorknob is a handle used to open or close a door. Some door handles are also arm- or foot-operated to reduce transmission of contagious illnesses.Open en.wikipedia.org (opens in a new tab)
Source summary (model-reported)
HEWI describes an elbow-operated lever handle as a solution for opening doors without touching them, providing more hygiene at the door. The hygiene-related design is presented as a specialized feature intended to reduce contact and germ transmission.
Open hewi.com (opens in a new tab) 2 · Answer check returns No
Q7
1 · Guesser asks
Is it used primarily for writing, drawing, or working with paper?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used primarily for writing, drawing, or working with paper?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle or doorknob is a handle used to open or close a door.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Is it a tool used to build, repair, or fasten things?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a tool used to build, repair, or fasten things?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle or doorknob is a handle used to open or close a door.Open en.wikipedia.org (opens in a new tab)
A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q9
1 · Guesser asks
Is it used primarily for entertainment or play?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used primarily for entertainment or play?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The source defines a door handle or doorknob as a handle used to open or close a door and notes that door handles occur on exterior and internal building doors, cupboard doors, and vehicle doors.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The source states that the constant function of door handles is being an attachment utilized to open or close a door, and repeats that door handles are utilized to open and close doors.
Open hengly.com (opens in a new tab) 2 · Answer check returns No
Q10
1 · Guesser asks
Is it typically made mostly of metal?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically made mostly of metal?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Exterior door handles are typically constructed from durable brass, stainless steel or aluminum for long-lasting reliability.Open lowes.com (opens in a new tab)
Source summary (model-reported)
Door handles can be made out of a plethora of materials. Examples include brass, porcelain, cut glass, wood, and bronze. Pull handles are typically used in kitchens and on drawers and are usually made of stainless steel.
Open en.wikipedia.org (opens in a new tab) 2 · Answer check returns Yes
Q11
1 · Guesser asks
Is it used to control access to something, such as by locking or unlocking it?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to control access to something, such as by locking or unlocking it?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
A keyed door lever is a type of door handle that incorporates a locking mechanism... These are commonly used on exterior doors or any doors where controlled access is necessary. Unlike a traditional door lever, a keyed door lever requires a key to unlock from the outside...
Open schlage.com (opens in a new tab) 2 · Answer check returns Rather yes
Q12
1 · Guesser asks
Is it designed to be inserted into another object during use?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to be inserted into another object during use?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
A door handle or doorknob is a handle used to open or close a door. ... A large number of handles ... incorporate latching or locking mechanisms or are manufactured to fit to standardised door locking or latching mechanisms.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
Insert the two-piece handle shaft into one handle. ... Insert the handle with shaft attached through the escutcheon plate and door gear handle hole until extending out opposite side of door. ... To open, disengage dead-bolt with key or thumbturn, push handle down to stop and then open door.
Open windsorwindows.com (opens in a new tab)Source summary (model-reported)
A pair of solid metal door handles, designed for installation onto a “pre-drilled” door ... Compatible with either tubular latches or mortise locks.
Open qb-res.cloudinary.com (opens in a new tab) 2 · Answer check returns No
Q13
1 · Guesser asks
Is it normally mounted on a door or door frame?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it normally mounted on a door or door frame?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
A door handle is a small round object or a lever that is attached to a door and is used for opening and closing it.Open collinsdictionary.com (opens in a new tab)
2 · Answer check returns Yes
Q14
1 · Guesser asks
Do you normally turn or rotate it by hand to open the door?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Do you normally turn or rotate it by hand to open the door?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened. ... Pushing the lever or turning the knob pulls the cylinder ... This allows ... the door to be opened.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
Typically designed with a circular handle, door knobs need to be rotated ... Pull handles ... are usually found on patio doors, sliding doors, as well as regular hinged doors. ... There's no real point in rotating this particular type of door handle [a dummy door knob] ... All you get is something to pull.
Open hiatt-hardware.com (opens in a new tab)Source summary (model-reported)
The main difference between the two is that the lever can be pushed up or down to open the door, while in knobs, the same thing is done by rotating the knobs.
Open blog.frelanhardware.co.uk (opens in a new tab) 2 · Answer check returns Unknown
Q15
1 · Guesser asks
Is it designed to provide a handhold for pulling or pushing a door open?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to provide a handhold for pulling or pushing a door open?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Door handles are defined as hardware components designed to facilitate the opening and closing of doors, typically featuring long, easily grasped designs or push bars.
Open sciencedirect.com (opens in a new tab)Source summary (model-reported)
A door handle or doorknob is a handle used to open or close a door. Pull door handles or simply pull handles are U-shaped.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
Push/pull/turn products enable doors to be opened ... simply pushing or pulling on the knob or lever to release the door latch.
Open res.aecdaily.com (opens in a new tab) 2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Door handle
A fitting attached to a door that provides a handhold for opening and closing it.
Validator rationale The proposal identifies the general kind of door handle and preserves its defining function as a hand-operated fitting for opening and closing a door.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A fitting attached to a door that provides a handhold for opening and closing it.","name":"Door handle","question":null}} 2 · Validator returns Yes