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
- 13
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 2m 31s
- Round cost
- $0.0317 All 14 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.
3 of 13 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 or a part of a living organism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a living organism or a 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)
The Moon is Earth's only natural satellite. ... 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)Source summary (model-reported)
Earth's only natural satellite is simply called "the Moon" ... The many missions that have explored the Moon have found no evidence to suggest it has its own living things.
Open solarsystem.nasa.gov (opens in a new tab)Is the subject human-made rather than naturally occurring?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject human-made 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 identifies the Moon as Earth's only natural satellite and states that it likely formed after a Mars-sized body collided with Earth several billion years ago; debris from Earth and the impactor accumulated to form it.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA describes the leading theory of the Moon's origin as a collision between a Mars-sized body and Earth approximately 4.5 billion years ago, with the resulting debris accumulating to form Earth's natural satellite.
Open nasa.gov (opens in a new tab)Is the subject found on Earth rather than in outer space?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject found on Earth rather than in outer space?"}}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 and that it goes around Earth at a distance of about 239,000 miles (385,000 kilometers).
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA describes the Moon as a natural satellite, or a space object that orbits around something else, and identifies our Moon as Earth's natural satellite.
Open science.nasa.gov (opens in a new tab)Is the subject a celestial body located within the Solar System?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a celestial body located within the Solar System?"}}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)
Major planetary satellites in solar system ... the Earth's Moon, the four galilean satellites of Jupiter ... Titan ... and Triton.
Open farside.ph.utexas.edu (opens in a new tab)Is the subject a star?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a star?"}}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)
Moon, Earth’s sole natural satellite and nearest large celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun.Open britannica.com (opens in a new tab)
Is the subject a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a planet?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The answer is technically no — at least according to NASA and the International Astronomical Union (IAU), an important global authority in astronomy. An object needs to meet four criteria to be a planet, per the IAU. It must be big enough that gravity pulls it into a nice, round shape and big enough to have cleared out all the asteroids and other junk from its orbit.Open livescience.com (opens in a new tab)
Source summary (model-reported)
The Moon is the only natural satellite of Earth. In geophysical terms, the Moon is a planetary-mass object or satellite planet.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
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 the subject a natural satellite (moon) of a planet or dwarf planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a natural satellite (moon) of a planet or dwarf planet?"}}Oracle evidence3 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 a natural satellite, or a space object that orbits around something else. Our Moon is Earth’s natural satellite.Open science.nasa.gov (opens in a new tab)
The Moon is also a satellite because it orbits Earth. ... Earth and the Moon are examples of natural satellites.Open spaceplace.nasa.gov (opens in a new tab)
Is the subject a moon of Jupiter?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of Jupiter?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is a natural satellite, or a space object that orbits around something else. Our Moon is Earth’s natural satellite.Open science.nasa.gov (opens in a new tab)
The Earth has one moon called the Moon (capital ‘M’). The Moon takes 27.3 days to orbit the Earth once.Open sciencelearn.org.nz (opens in a new tab)
Is the subject a moon of Saturn?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of Saturn?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Yes. The Moon takes about one month to orbit Earth... The Moon is a natural satellite... Our Moon is Earth’s natural satellite.Open science.nasa.gov (opens in a new tab)
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)
Does the subject orbit a dwarf planet rather than a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit a dwarf planet rather than a planet?"}}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, goes around Earth at about 239,000 miles (385,000 kilometers), and makes a complete orbit around Earth in 27 Earth days.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA explains that astronomers recognized the Moon is not a planet but a satellite of Earth, and identifies Earth among the planets orbiting the Sun. The same page defines a dwarf planet as a body in orbit around the Sun that is not a satellite.
Open science.nasa.gov (opens in a new tab)Is the subject a moon of Uranus?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of Uranus?"}}Oracle evidence1 model-reported source
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)
Is the subject a moon of Neptune?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of Neptune?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Naturally-formed bodies that orbit planets are called moons, or planetary satellites. ... Earth's Moon ... Moons of Neptune ... Neptune has 16 known moons.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
Neptune has 16 known moons. Neptune's largest moon Triton was discovered on Oct. 10, 1846 ... Triton is the only large moon in the solar system that circles its planet in a direction opposite to the planet's rotation.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
Neptune's largest satellite ... Triton is, by far, Neptune's largest satellite ...
Open britannica.com (opens in a new tab)Is the subject a moon of Mars?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a moon of Mars?"}}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)
Source summary (model-reported)
Earth has one [moon] and Mars has its two small moons... The two moons of Mars, Phobos and Deimos... [The table lists] Earth: 1 — The Moon; Satellites of Mars: 2.
Open solarsystem.nasa.gov (opens in a new tab)The Moon
Earth's only natural satellite, the fifth-largest moon in the Solar System
Validator rationale The proposal identifies Earth's specific natural satellite, the Moon, matching the target entity. The added size detail does not conflict.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's only natural satellite, the fifth-largest moon in the Solar System","name":"The Moon","question":null}}