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
- 8
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 1m 28s
- Round cost
- $0.0364 All 9 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.
Q1
1 · Guesser asks
Is the subject a living organism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject 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)
The Moon is a rocky body that orbits planet Earth.Open asc-csa.gc.ca (opens in a new tab)
2 · Answer check returns No
Q2
1 · Guesser asks
Was the subject created by humans?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was the subject created by humans?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
NASA states that Earth’s Moon formed near the time of the solar system’s formation, about 4.5 billion years ago, when an object or objects crashed into the young Earth and debris was flung into space to create the Moon. It describes the Moon as thought to have formed in a tremendous collision.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
The Canadian Space Agency describes the Moon as Earth's natural satellite and a rocky body that 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) 2 · Answer check returns No
Q3
1 · Guesser asks
Is the subject primarily a solid object?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject primarily a solid object?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The result is a structure a bit like a chocolate-dipped cherry – solid core, mostly solid/partly liquid mantle, and thin outer crust. The Moon’s core consists of two sections: a solid, mostly iron inner core within a molten outer core.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
The Moon has a solid, rocky surface cratered and pitted from impacts by asteroids, meteorites, and comets. The solid, iron-rich inner core ... is surrounded by a liquid iron shell ... A partially molten layer surrounds the iron core.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
Scientists have created a picture of the Moon as a layered body comprising a low-density crust ... overlying a denser mantle, which constitutes the great majority of the Moon’s volume. At the center there probably is a small iron-rich metallic core.
Open britannica.com (opens in a new tab) 2 · Answer check returns Yes
Q4
1 · Guesser asks
Is the subject a celestial body such as a planet, moon, or asteroid?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a celestial body such as a planet, moon, or asteroid?"}}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.”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 calls it “the most explored celestial body in our solar system” other than Earth.
Open asc-csa.gc.ca (opens in a new tab) 2 · Answer check returns Yes
Q5
1 · Guesser asks
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) 2 · Answer check returns No
Q6
1 · Guesser asks
Does the subject orbit a planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit 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)
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)
2 · Answer check returns Yes
Q7
1 · Guesser asks
Does the subject orbit a gas giant planet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit a gas giant planet?"}}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)
Earth is the largest of the four inner, terrestrial (rocky) planets, but it is considerably smaller than the gas giants of the outer solar system. Earth has a single natural satellite, the Moon, which orbits the planet.Open britannica.com (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Does the subject orbit the Earth?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit the 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.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)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
the Moon
Earth's natural satellite
Validator rationale The proposal identifies the specific Moon, Earth's natural satellite, matching the target entity as a whole.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's natural satellite","name":"the Moon","question":null}} 2 · Validator returns Yes