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
- 5m 11s
- Round cost
- $0.2484 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.
Q1
1 · Guesser asks
Is it a living thing (or a part of a living thing)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living thing (or a part of a living thing)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Door handle 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 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 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 (as opposed to an abstract concept, idea, or work of art like a song)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical object (as opposed to an abstract concept, idea, or work of art like a song)?"}}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 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
Q4
1 · Guesser asks
Is it small enough to be held in one hand?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it small enough to be held in one hand?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Product page titled “Door Handle - Small 19-3/4" Length” lists the overall length as 19 27/32 inches, projection as 2 3/4 inches, and diameter as 1 inch. It describes the item as an interior door handle.
Open mockett.com (opens in a new tab)The accessibility guidance asks whether a door handle is “operable with a closed fist” and explains that the test is to try opening the door or operating the control using only one hand held in a fist.Open accesshardware.com (opens in a new tab)
2 · Answer check returns Yes
Q5
1 · Guesser asks
Does it use electricity or contain electronic components?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it use electricity or contain electronic components?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Door handles are mechanical fittings that allow doors to be opened, closed, and secured.
Open simplydoorhandles.co.uk (opens in a new tab)Source summary (model-reported)
The Kentix DoorLock-LE is a battery operated electronic door handle with radio. The electronics are fully integrated in the handle.
Open kentix.com (opens in a new tab)Source summary (model-reported)
The Aperio H100 Handle is a battery-powered door handle with integrated RFID and BLE readers.
Open assaabloy.com (opens in a new tab) 2 · Answer check returns Unknown
Q6
1 · Guesser asks
Is it primarily used as a tool to perform a practical task (rather than for decoration, play, or consumption)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used as a tool to perform a practical task (rather than for decoration, play, or consumption)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
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)A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
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.Open emtek.com (opens in a new tab)
2 · Answer check returns Yes
Q7
1 · Guesser asks
Is it mainly made of metal?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it mainly made of metal?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
In the U.S., 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 (opens in a new tab)Source summary (model-reported)
Door handles can be made from various materials depending on the style, function, and budget. Common materials listed include brass, stainless steel, zinc alloy, aluminum, bronze, and, in some cases, plastic or PVC.
Open atlantichandles.com (opens in a new tab) 2 · Answer check returns Yes
Q8
1 · Guesser asks
Does it have a sharp edge or point used for cutting or piercing?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it have a sharp edge or point used for cutting or piercing?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
A door handle is the handle used to open and close a door. ... Doorknobs ... refer to a handle shaped like a knob — a part that sticks out and has a rounded end. Door handles can ... be fixed in place, like a vertical or horizontal bar.
Open dictionary.com (opens in a new tab)Source summary (model-reported)
A handle/lever ... turns the spindle ... allowing the door to be opened. ... Pull handles ... are designed for pulling the door open or closed. Knob handles are round-shaped handles that you can twist to operate the latch or lock.
Open atlantichandles.com (opens in a new tab) 2 · Answer check returns No
Q9
1 · Guesser asks
Is it commonly used for eating or preparing food?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it commonly used for eating 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)
Source summary (model-reported)
Door-handle types are described as mechanisms used to open, close, latch, lock, or provide access through doors; the page does not identify eating or food preparation as a use.
Open atlantichandles.com (opens in a new tab) 2 · Answer check returns No
Q10
1 · Guesser asks
Is it used to fasten, join, or hold things together (e.g., a fastener like a screw, nail, clip, or a tool for tightening them)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to fasten, join, or hold things together (e.g., a fastener like a screw, nail, clip, or a tool for tightening them)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
A fastener ... is a hardware device that mechanically joins or affixes two or more objects together.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns No
Q11
1 · Guesser asks
Is it used to lock or unlock / open something?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to lock or unlock / open something?"}}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
Q12
1 · Guesser guesses
Key
A small metal device inserted into a lock to open or secure it
Validator rationale The proposal identifies a key, which is a separate device used with a lock, not the door-handle fitting itself.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A small metal device inserted into a lock to open or secure it","name":"Key","question":null}} 2 · Validator returns No
Q13
1 · Guesser asks
Is it itself a lock (a device that secures something, rather than a tool for opening)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it itself a lock (a device that secures something, rather than a tool for opening)?"}}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. ... 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)
Source summary (model-reported)
The spindle is the bar that connects knobs or levers through the door to operate the lock mechanism. The article separately identifies the lock's chassis, latch bolt, and strike plate as components of the locking hardware.
Open schlage.com (opens in a new tab)Source summary (model-reported)
A keyed entry door handle provides a lock and key. A privacy door handle can have a twist or button lock on one side of the door.
Open thespruce.com (opens in a new tab) 2 · Answer check returns No
Q14
1 · Guesser asks
Is it used to open containers such as bottles or cans?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it used to open containers such as bottles or cans?"}}Oracle evidence3 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)
An opener is a tool which is used to open containers such as cans or bottles. ...a can opener.Open collinsdictionary.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 No
Q15
1 · Guesser asks
Is it typically attached to or installed on a door?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically attached to or installed on a door?"}}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 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 Yes
G
1 · Guesser guessesNot counted
Doorknob
A round metal handle mounted on a door that is turned to open it
Validator rationale A doorknob is a recognized subtype/design variant of a door handle and retains the target’s defining hand-operated door-opening function.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A round metal handle mounted on a door that is turned to open it","name":"Doorknob","question":null}} 2 · Validator returns Yes