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
- 9
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 2m 13s
- Round cost
- $0.0839 All 10 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.
Is it a living organism (or a kind of living organism)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living organism (or a kind of living organism)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon has a solid, rocky surface cratered and pitted from impacts by asteroids, meteorites, and comets. ... Earth's Moon has a core, mantle, and crust.Open science.nasa.gov (opens in a new tab)
The Moon is a rocky body that orbits planet Earth.Open asc-csa.gc.ca (opens in a new tab)
Is it a human-made object or artifact?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a human-made object or artifact?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is the only natural satellite of Earth.Open en.wikipedia.org (opens in a new tab)
The Moon is a rocky body that orbits planet Earth. It likely formed when a very large (Mars-sized) asteroid struck Earth 4.5 billion years ago.Open asc-csa.gc.ca (opens in a new tab)
Is it a physical, tangible object or substance (as opposed to an abstract concept or phenomenon)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a physical, tangible object or substance (as opposed to an abstract concept or phenomenon)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Our moon is the fifth largest of the 190+ moons orbiting planets in our solar system. Earth's only natural satellite is simply called "the Moon."
Open arcnav.psi.edu (opens in a new tab)The Moon is a rocky body that orbits planet Earth. It likely formed when a very large (Mars-sized) asteroid struck Earth 4.5 billion years ago.Open asc-csa.gc.ca (opens in a new tab)
Is it a celestial body or something located in outer space (not on Earth)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a celestial body or something located in outer space (not on Earth)?"}}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)
The Moon is Earth's sole natural satellite and nearest large celestial body.Open britannica.com (opens in a new tab)
Is it a specific, particular named object (as opposed to a general kind, like 'a star' or 'a comet')?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a specific, particular named object (as opposed to a general kind, like 'a star' or 'a comet')?"}}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" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.Open arcnav.psi.edu (opens in a new tab)
Earth's only natural satellite is simply called "the Moon" ... In Latin, the Moon is called Luna.Open solarsystem.nasa.gov (opens in a new tab)
Is it located within our Solar System?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it located within our Solar System?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Within the Solar System, it is larger and more massive than any known dwarf planet, and the fifth-largest and fifth-most massive moon.Open en.wikipedia.org (opens in a new tab)
In a specific sense, the Moon is the only natural satellite of Earth and the fifth largest such object in the Solar System.Open astronomy.swin.edu.au (opens in a new tab)
The Moon is a rocky body that orbits planet Earth. ... Other than Earth, the Moon is the most explored celestial body in our solar system.Open asc-csa.gc.ca (opens in a new tab)
Is it a planet (one of the eight major planets)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a planet (one of the eight major planets)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The IAU definition also excludes moons from being planets.Open nasa.gov (opens in a new tab)
The 2006 IAU Resolution means that the Solar System officially consists of eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.Open iauarchive.eso.org (opens in a new tab)
The difference between a moon and a planet is that a planet orbits a star, and a moon orbits a planet. The Moon is Earth's natural satellite.Open asc-csa.gc.ca (opens in a new tab)
Is it a natural satellite (a moon) of a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a natural satellite (a moon) of a planet?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
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)
Source summary (model-reported)
NASA identifies the subject as “The Moon: Earth's Satellite.”
Open nasa.gov (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 revolves around Earth in an elliptical orbit with a mean eccentricity of 0.0549.Open eclipse.gsfc.nasa.gov (opens in a new tab)
The Moon makes a complete orbit around Earth in 27 Earth days.Open solarsystem.nasa.gov (opens in a new tab)
The Moon
Earth's only natural satellite
Validator rationale “The Moon” and “Earth's only natural satellite” clearly identify the specific celestial body targeted.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's only natural satellite","name":"The Moon","question":null}}