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
- 19
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 6m 9s
- Round cost
- $0.2275 All 20 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":"AMZAISLM"}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 organism or part of a living organism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living organism or part of a living organism?"}}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. ... 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)
doorhandle: noun, a knob used to release the catch when opening a door ... type of: knob, a round handle.
Open vocabulary.com (opens in a new tab) 2 · Answer check returns No
Q2
1 · Guesser asks
Is it man-made?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it man-made?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
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
Q3
1 · Guesser asks
Is it a physical object that can be touched?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical object that can be touched?"}}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
Q4
1 · Guesser asks
Is it typically larger than an adult human?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically larger than an adult human?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
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 No
Q5
1 · Guesser asks
Does it typically use or require electricity to function?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it typically use or require electricity to function?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Allegion distinguishes between mechanical and electrified door hardware, stating that electrified hardware uses power to control the locking and unlocking of the door. The page describes lock trim as including knob, lever, handle set, and pull designs.
Open us.allegion.com (opens in a new tab)The product is identified as a “Mechanical lever” and is described as ensuring “smooth and intuitive manual operation.”Open 2n.com (opens in a new tab)
Source summary (model-reported)
2N separately identifies an “Electronic lever” for high-traffic office environments and states that it is supplied with a long-life battery.
Open 2n.com (opens in a new tab) 2 · Answer check returns No
Q6
1 · Guesser asks
Can a person typically hold or lift it with one hand?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Can a person typically hold or lift it with one hand?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Grip the handle of the driver or front-passenger door to unlock. A sensor will detect your hand wrapped around the handle. ... Grab the extended end of the door handle. Pull the door open.Open chevrolet.com (opens in a new tab)
A dummy door knob ... [is] something to pull in order to open and close the door. 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)
2 · Answer check returns Yes
Q7
1 · Guesser asks
Is it designed to be worn on the human body?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it designed to be worn on the human body?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The source describes door handle sets as door fittings consisting of door handles and corresponding plates or rosettes, used to open and close doors. It further describes the handle as connected to the door through a spindle.
Open griffwerk.de (opens in a new tab) 2 · Answer check returns No
Q8
1 · Guesser asks
Is it primarily associated with preparing, serving, or consuming food or drink?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily associated with preparing, serving, or consuming food or drink?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The page states that door handles or doorknobs are handles used to open or close a door, and lists them for exterior, residential, commercial, internal, cupboard, and vehicle doors.
Open lockdoctor.biz (opens in a new tab)Source summary (model-reported)
The page states that door handle sets are door fittings consisting of door handles and plates or rosettes, used to open and close doors.
Open griffwerk.de (opens in a new tab) 2 · Answer check returns No
Q9
1 · Guesser asks
Is it primarily used for reading, writing, or recording information?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used for reading, writing, or recording information?"}}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)
Some doors are pushed to open, and some have a handle and are pulled or lifted to open.Open cs.cmu.edu (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Is it primarily made of metal?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily made of metal?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
Door handles can be made out of a plethora of materials. Examples include brass, porcelain, cut glass, wood, and bronze.Open en.wikipedia.org (opens in a new tab)
Yale offers a wide variety of door handles in stainless steel, brass, zinc alloy, and aluminium material, available in different surface finishes.Open yalehome.com (opens in a new tab)
2 · Answer check returns Rather yes
Q11
1 · Guesser asks
Is it primarily used as a hand tool for construction, repair, or maintenance?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used as a hand tool for construction, repair, or maintenance?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Door handles or doorknobs are handles used to open or close a door.Open lockdoctor.biz (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)
The most common type of door handle is the lever latch or latch door handle. 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
Q12
1 · Guesser asks
Does it have a blade or sharp edge designed for cutting?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it have a blade or sharp edge designed for cutting?"}}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)
HANDLE The portion of the set you grab to pull or rotate. The handle options are grips, levers, knobs or ring pulls.Open rockymountainhardware.com (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
Q13
1 · Guesser asks
Is it primarily used to fasten, join, or hold items together?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily used to fasten, join, or hold items together?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The most common type of door handle is the lever latch or latch door handle... Doors fitted with this handle have a latch that keeps the door shut. 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)
When the main requirement is aesthetics and a basic open-close function, then a dummy door knob can be the ideal choice... All you get is something to pull in order to open and close the door.Open hiatt-hardware.com (opens in a new tab)
2 · Answer check returns No
Q14
1 · Guesser asks
Is it commonly carried on a person (such as in a pocket, purse, or on a ring) when outside the home?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it commonly carried on a person (such as in a pocket, purse, or on a ring) when outside the home?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The page defines a door handle or doorknob as a handle used to open or close a door and states that door handles can be found on all types of doors, including exterior doors.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The page states that edge-pull handles are affixed to the face or edge of a pocket door, while flush pulls are installed on the face of the pocket door.
Open realcraft.com (opens in a new tab) 2 · Answer check returns No
Q15
1 · Guesser asks
Is it typically attached or mounted to a structure or surface (such as a door, wall, or pipe) when in use?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically attached or mounted to a structure or surface (such as a door, wall, or pipe) when in use?"}}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)
Source summary (model-reported)
Most household door handles use a simple mechanism with a screw-style axle ... to which the handles are attached. 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) 2 · Answer check returns Yes
Q16
1 · Guesser asks
Is it typically installed on or associated with a door?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically installed on or associated with a door?"}}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)
A door handle is the handle used to open and close a door.Open dictionary.com (opens in a new tab)
The most common type of door handle is the lever latch or latch door handle, often found in residential houses and commercial and public buildings.Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns Yes
Q17
1 · Guesser asks
Is it grasped or operated by hand to unlatch, open, or close the door?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it grasped or operated by hand to unlatch, open, or close the door?"}}Oracle evidence2 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)
2 · Answer check returns Yes
Q18
1 · Guesser asks
Is it typically round or spherical in shape?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it typically round or spherical in shape?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The three main varieties: lever handles, door knobs, pull handles. Door knobs are typically designed with a circular handle, while pull handles are also used on patio doors, sliding doors, and regular hinged doors.
Open hiatt-hardware.com (opens in a new tab)Source summary (model-reported)
A door knob is a rounded knob... On the other hand, a door handle is a lever-shaped or cylindrical handle...
Open ikea.com (opens in a new tab)Source summary (model-reported)
Cylindrical locksets are rounded / lever handles... The devices may be axisymmetric, spherical, or T-shaped.
Open yalehome.com (opens in a new tab) 2 · Answer check returns Rather no
Q19
1 · Guesser asks
Does it typically operate by pivoting or pressing down on a lever?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it typically operate by pivoting or pressing down on a lever?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The most common type of door handle is the lever latch or latch door handle... 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 Yes
G
1 · Guesser guessesNot counted
Door handle
A mechanism or lever mounted on a door used to unlatch, open, or close it.
Validator rationale The proposal identifies the general kind of door handle and describes the hand-operated fitting used to unlatch, open, or close a door.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"A mechanism or lever mounted on a door used to unlatch, open, or close it.","name":"Door handle","question":null}} 2 · Validator returns Yes