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
- 21
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 7m 7s
- Round cost
- $0.3422 All 22 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":"EAQCORIU"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
3 of 20 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 living organism (or a part of one)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living organism (or a part of one)?"}}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. ... Door handles can turn, but they can also be fixed in place, like a vertical or horizontal bar.Open dictionary.com (opens in a new tab)
2 · Answer check returns No
Q2
1 · Guesser asks
Is it human-made?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it human-made?"}}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)
Source summary (model-reported)
Door hardware essentially refers to a variety of items which you attach to your door to aid with ease of use, security and efficiency. The range includes door handles and other manufactured door accessories.
Open doorfit.co.uk (opens in a new tab) 2 · Answer check returns Yes
Q3
1 · Guesser asks
Is it a physical object (rather than an abstract concept, idea, or system)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical object (rather than an abstract concept, idea, or system)?"}}Oracle evidence2 model-reported sources
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)
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 Yes
Q4
1 · Guesser asks
Is it small enough for one person to carry by hand?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it small enough for one person to carry by hand?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The product is a door handle with a 19 27/32-inch overall length, 11 13/16-inch center-to-center measurement, 2 3/4-inch projection, and 1-inch diameter.
Open mockett.com (opens in a new tab)Source summary (model-reported)
For the DH6A-SSS door handle, listed as a small 19-3/4-inch door handle, the answer states that it weighs approximately 4 lb each.
Open mockett.com (opens in a new tab)Source summary (model-reported)
The Total Door Handle is listed with a width of 6.18 inches, height of 1.1 inches, and depth of 2.01 inches.
Open dimensions.com (opens in a new tab) 2 · Answer check returns Yes
Q5
1 · Guesser asks
Does it use electricity or electronics to function?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it use electricity or electronics to function?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The source describes the common lever latch or latch door handle used in residential, commercial, and public buildings. Pushing the handle down rotates a spindle and operates the tubular latch mechanism.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The source describes digital door handles for interior building access control. Electronics and mechanics are housed in the lever handle; an RFID reader detects authorized transponders and couples the handle so the door can be opened. It also states that a visually identical mechanical version is available.
Open telenot.com (opens in a new tab) 2 · Answer check returns Unknown
Q6
1 · Guesser asks
Is it primarily used for eating, drinking, or preparing food?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for eating, drinking, or preparing food?"}}Oracle evidence2 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)
Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q7
1 · Guesser asks
Is it a tool or instrument used to perform work or a task (rather than clothing, decoration, or entertainment)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a tool or instrument used to perform work or a task (rather than clothing, decoration, or entertainment)?"}}Oracle evidence2 model-reported sources
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)
The meaning of TOOL is a handheld device that aids in accomplishing a task. a relatively simple device for performing work.Open merriam-webster.com (opens in a new tab)
2 · Answer check returns Rather yes
Q8
1 · Guesser asks
Is it commonly found in a typical household?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it commonly found in a typical household?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
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)
Knob Handles ... are commonly found in residential homes and interior doors. ... [A] standard door handle on a backplate [is] generally used on doors ... such as the living room or dining room.
Open atlantichandles.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.
Open signaturehardware.com (opens in a new tab) 2 · Answer check returns Yes
Q9
1 · Guesser asks
Is it used for personal grooming or hygiene?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used for personal grooming or hygiene?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
PullClean combines hand sanitizer with door handle. The device features a door handle with a built-in hand sanitizer dispenser; touching a paddle ejects sanitizer, soap, or another solution.
Open hfmmagazine.com (opens in a new tab)Source summary (model-reported)
VitaTouch is described as a self-dispensing door handle that automatically dispenses hand sanitizer into the user's palm with every pull.
Open businesswire.com (opens in a new tab) 2 · Answer check returns No
Q10
1 · Guesser asks
placeholder
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"placeholder"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Merriam-Webster defines "placeholder" as a person or thing that occupies a position or place of another, and also as a symbol that may be replaced by a specified element.
Open merriam-webster.com (opens in a new tab) 2 · Answer check returns Unknown
Q11
1 · Guesser asks
Is it primarily used for writing, drawing, or recording information on paper?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for writing, drawing, or recording information on paper?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Pushing the handle down rotates the spindle, operating the tubular latch mechanism inside the door, allowing it to be opened.Open en.wikipedia.org (opens in a new tab)
A door handle ... provides a better grip and easier operation when opening and closing the door.Open hwt-pro.com (opens in a new tab)
2 · Answer check returns No
Q12
1 · Guesser asks
Is it used for measuring something (such as time, weight, length, or temperature)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used for measuring something (such as time, weight, length, or temperature)?"}}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)
Door handle sets are door fittings that consist of door handles and the corresponding plates or rosettes and are used to open and close doors.Open griffwerk.de (opens in a new tab)
Source summary (model-reported)
A measuring instrument is a device to measure a physical quantity. The page identifies clocks and watches as usual instruments for measuring time and discusses instruments for quantities such as length, weight, and temperature.
Open en.wikipedia.org (opens in a new tab) 2 · Answer check returns No
Q13
1 · Guesser asks
Is it used for cleaning (e.g., of surfaces, floors, dishes, or clothes)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used for cleaning (e.g., of surfaces, floors, dishes, or clothes)?"}}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 as a handle used to open or close a door.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The cleaning instructions say to use a cloth, soap, water, and other cleaning materials to wipe down the door handle, treating the handle as the object being cleaned.
Open southernliving.com (opens in a new tab) 2 · Answer check returns No
Q14
1 · Guesser asks
Is it primarily used for fastening, cutting, or repairing things (like a hand tool such as a hammer, screwdriver, or scissors)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for fastening, cutting, or repairing things (like a hand tool such as a hammer, screwdriver, or scissors)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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.
Open en.wikipedia.org (opens in a new tab)Typically designed with a circular handle, door knobs need to be rotated in either direction for the door they're installed in, to either open or close.Open hiatt-hardware.com (opens in a new tab)
Source summary (model-reported)
There are many different types of door handles, including a lever, knob or pull handle. So, if you want to know how to fix a loose door handle, you first need to inspect the handle to identify the type and check whether it has exposed or hidden screws.
Open screwfix.com (opens in a new tab) 2 · Answer check returns No
Q15
1 · Guesser asks
Is it used to provide light or illumination?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to provide light or illumination?"}}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)
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... allowing it to be opened.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The DHS door handle system combines a door handle with illumination in the handle itself, using RGB LEDs to display machine status. This describes a specialized product rather than the ordinary function of a general door handle.
Open stevenengineering.com (opens in a new tab) 2 · Answer check returns No
Q16
1 · Guesser asks
Is it used for security or for locking/unlocking or opening things (like a key or lock)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used for security or for locking/unlocking or opening things (like a key or lock)?"}}Oracle evidence1 model-reported source
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)
2 · Answer check returns Yes
Q17
1 · Guesser guesses
Key
A small metal instrument used to open or close a lock
Validator rationale A key is a lock-operating instrument, not the door handle fitting itself.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A small metal instrument used to open or close a lock","name":"Key","question":null}} 2 · Validator returns No
Q18
1 · Guesser asks
Is it the locking mechanism itself (a lock or padlock) rather than something used to operate one?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it the locking mechanism itself (a lock or padlock) rather than something used to operate one?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The source explains that a lever handle turns a spindle and operates the latch mechanism. It separately describes lock door handles as handles with a keyhole that allows a key to operate a sash lock inside the door.
Open atlantichandles.com (opens in a new tab)Source summary (model-reported)
The source identifies the handle/lever/knob as the part allowing operation of the lock, while separately identifying the keyhole, latch, strike plate, and other locking components.
Open us.eufy.com (opens in a new tab) 2 · Answer check returns No
Q19
1 · Guesser asks
Is its main purpose opening containers or packages (like a bottle opener, letter opener, or can opener) rather than security?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its main purpose opening containers or packages (like a bottle opener, letter opener, or can opener) rather than security?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stylish pieces of door fittings can combine elegance and fashion, improve the overall look of any home, and perform the critical purpose of opening and closing a door.Open hiatt-hardware.com (opens in a new tab)
Source summary (model-reported)
A dummy door knob provides something to pull in order to open and close the door. Other door-handle types operate door latches or locks.
Open hiatt-hardware.com (opens in a new tab) 2 · Answer check returns No
Q20
1 · Guesser asks
Is its main purpose security or protection (e.g., safe, alarm, camera) rather than opening or unlocking something?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is its main purpose security or protection (e.g., safe, alarm, camera) rather than opening or unlocking something?"}}Oracle evidence3 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)
Source summary (model-reported)
A passage door knob or lever is a handle set without an internal locking mechanism. The handle set will open and close by simply turning the knob or lever. Keyed handle sets are described separately as options that provide added security.
Open emtek.com (opens in a new tab) 2 · Answer check returns No
Q21
1 · Guesser asks
Is it typically attached to a door?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically attached to a door?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Most household door handles use a simple mechanism with a screw-style axle (called a spindle) that has at least one flat side, which is passed through the door ... Some handles are attached on both sides by screwing or sliding them directly onto the spindle ... Other types ... are affixed only to the door itself.
Open ifixit.com (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 Yes
G
1 · Guesser guessesNot counted
Doorknob
A round handle attached to a door that is turned to open or close it (a door handle)
Validator rationale A doorknob is a recognized subtype/design variant of a door handle and retains the required hand-operated door-opening function.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A round handle attached to a door that is turned to open or close it (a door handle)","name":"Doorknob","question":null}} 2 · Validator returns Yes