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 13s
- Round cost
- $0.0193 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.
1 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 subject a living organism (including animals, plants, or other life forms)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a living organism (including animals, plants, or other life forms)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Moon is Earth's only natural satellite. ... Moon's weak atmosphere and its lack of liquid water cannot support life as we know it. The many missions that have explored the Moon have found no evidence to suggest it has its own living things.
Open science.nasa.gov (opens in a new tab)Is the subject human-made or manufactured rather than naturally occurring?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject human-made or manufactured rather than naturally occurring?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
NASA states that the Moon is Earth's only natural satellite. It reports that the Moon likely formed after a Mars-sized body collided with Earth several billion years ago, with resulting debris accumulating to form the natural satellite.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
JPL defines planetary satellites as naturally formed bodies in orbit around planets and identifies Earth's moon as the best-known planetary satellite.
Open ssd.jpl.nasa.gov (opens in a new tab)Is the subject a celestial or astronomical body (such as a planet, star, moon, or asteroid)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a celestial or astronomical body (such as a planet, star, moon, or asteroid)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Moon is Earth's only natural satellite. It goes around the Earth at a distance of about 239,000 miles (385,000 kilometers). ... It is the only celestial body beyond Earth – so far – visited by human beings.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
A satellite is a body that orbits around another body in space. There are two different types of satellites – natural and man-made. Examples of natural satellites are the Earth and Moon.
Open nasa.gov (opens in a new tab)Is the subject a planet or natural satellite (moon) within the Solar System?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a planet or natural satellite (moon) within the Solar System?"}}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)
Naturally-formed bodies in orbit around planets are referred to here as “planetary satellites”, and are often called “moons.” The best-known planetary satellite is, of course, Earth’s moon.Open ssd.jpl.nasa.gov (opens in a new tab)
Is the subject a planet rather than a moon or other satellite?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a planet rather than a moon or other satellite?"}}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)
By the 17th century, astronomers ... realized that the Sun was the celestial object around which all the planets – including Earth – orbit, and that the Moon is not a planet, but a satellite of Earth.Open science.nasa.gov (opens in a new tab)
Is the subject a moon of one of the gas or ice giants (Jupiter, Saturn, Uranus, or Neptune)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of one of the gas or ice giants (Jupiter, Saturn, Uranus, or Neptune)?"}}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 solarsystem.nasa.gov (opens in a new tab)
Source summary (model-reported)
In the outer solar system, the gas giants (Jupiter, Saturn) and the ice giants (Uranus and Neptune) have numerous moons. Earth's Moon probably formed when a large body about the size of Mars collided with Earth, ejecting material from our planet into orbit.
Open nasa.gov (opens in a new tab)Does the subject orbit Earth?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit Earth?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon makes a complete orbit around Earth in 27 Earth days and rotates or spins at that same rate, or in that same amount of time.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)
The Moon
Earth's only natural satellite
Validator rationale “The Moon” and “Earth's only natural satellite” identify the specific celestial body targeted, not the general class.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's only natural satellite","name":"The Moon","question":null}}