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
- 7
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 1m 10s
- Round cost
- $0.0423 All 8 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.
2 of 7 answers in this round reuse an earlier, fully checked answer with its original evidence. No new search or check ran for those turns.
Is the thing a living organism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a living organism?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is a barren, lifeless world.Open timeanddate.com (opens in a new tab)
Source summary (model-reported)
The Moon, the natural satellite of Earth ... The Moon is a rocky body that orbits planet Earth.
Open asc-csa.gc.ca (opens in a new tab)Is the thing human-made?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing human-made?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Earth's only natural satellite is simply called "the Moon"... The leading theory of the Moon's origin is that a Mars-sized body collided with Earth about 4.5 billion years ago. The resulting debris from both Earth and the impactor accumulated to form our natural satellite.
Open solarsystem.nasa.gov (opens in a new tab)Source summary (model-reported)
Near the time of the solar system’s formation, about 4.5 billion years ago, something—perhaps a single object the size of Mars, perhaps a series of objects—crashed into the young Earth and flung enough molten and vaporized debris into space to create the Moon.
Open science.nasa.gov (opens in a new tab)Is the thing a celestial body or located in outer space?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a celestial body or located in outer space?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Britannica describes the Moon as “Earth’s sole natural satellite and nearest large celestial body” and as “a spherical rocky body” revolving around Earth.
Open britannica.com (opens in a new tab)Source summary (model-reported)
NASA identifies Earth’s Moon as “Earth’s only natural satellite” and states that it is 238,855 miles (384,400 kilometers) from Earth.
Open solarsystem.nasa.gov (opens in a new tab)Is the thing a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a planet?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is Earth's only natural satellite. It goes around the Earth at a distance of about 239,000 miles (385,000 kilometers).Open science.nasa.gov (opens in a new tab)
Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.Open solarsystem.nasa.gov (opens in a new tab)
Is the thing a star?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a star?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
NASA states: "The Moon is Earth's only natural satellite." It also states that the Moon goes around Earth at about 239,000 miles (385,000 kilometers).Open science.nasa.gov (opens in a new tab)
Source summary (model-reported)
The Canadian Space Agency describes the Moon as "a rocky body that orbits planet Earth" and identifies it as Earth's natural satellite.
Open asc-csa.gc.ca (opens in a new tab)Is the thing a natural satellite orbiting a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the thing a natural satellite orbiting a planet?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Earth's only natural satellite is simply called "the Moon" ... The Moon makes a complete orbit around Earth in 27 Earth days.Open solarsystem.nasa.gov (opens in a new tab)
The Moon is a rocky body that orbits planet Earth. ... The Moon completes one orbit around Earth in 27.3 days.Open asc-csa.gc.ca (opens in a new tab)
Does it orbit Earth?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it orbit Earth?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is a rocky body that orbits planet Earth. The Moon completes one orbit around Earth in 27.3 days.Open asc-csa.gc.ca (opens in a new tab)
The Moon makes a complete orbit around Earth in 27 Earth days and rotates or spins at that same rate.Open solarsystem.nasa.gov (opens in a new tab)
the Moon
Earth's natural satellite
Validator rationale The proposal identifies the specific Moon, Earth's natural satellite, matching the target entity.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's natural satellite","name":"the Moon","question":null}}