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 0s
- Round cost
- $0.0230 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":"AMZAISLM"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
2 of 9 answers in this round reuse an earlier, fully checked answer with its original evidence. No new search or check ran for those turns.
Q1
1 · Guesser asks
Is it a tangible, physical entity?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a tangible, physical entity?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Moon is a rocky body that orbits planet Earth.
Open asc-csa.gc.ca (opens in a new tab)Source summary (model-reported)
Moon, Earth’s sole natural satellite and nearest large celestial body. The page provides physical measurements including mean radius, mass, surface area, and mean density.
Open britannica.com (opens in a new tab)Source summary (model-reported)
The Moon is classified as a physical object and a natural satellite, with properties including location, mass, temperature, volume, extent, and material.
Open site.uottawa.ca (opens in a new tab) 2 · Answer check returns Yes
Q2
1 · Guesser asks
Is it a living organism such as an animal, plant, fungus, or microorganism?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a living organism such as an animal, plant, fungus, or microorganism?"}}Oracle evidence3 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 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)
Moon, Earth's sole natural satellite and nearest large celestial body.Open britannica.com (opens in a new tab)
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)
2 · Answer check returns No
Q3
1 · Guesser asks
Is it primarily human-made or manufactured rather than naturally occurring?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it primarily 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)
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)
Earth's only natural satellite is simply called "the Moon"... The Moon was likely formed after a Mars-sized body collided with Earth.
Open arcnav.psi.edu (opens in a new tab) 2 · Answer check returns No
Q4
1 · Guesser asks
Does it exist primarily outside Earth's atmosphere?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does it exist primarily outside Earth's atmosphere?"}}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 gives its distance as about 239,000 miles (384,000 kilometers). NASA also describes the Moon's own atmosphere as a very thin and weak exosphere.
Open solarsystem.nasa.gov (opens in a new tab)Source summary (model-reported)
ESA reports that the outermost part of Earth's atmosphere extends well beyond lunar orbit, reaching about 630,000 km away. It quotes the study's lead author saying, “The Moon flies through Earth’s atmosphere,” while noting that this region is an extremely sparse hydrogen geocorona.
Open esa.int (opens in a new tab) 2 · Answer check returns Unknown
Q5
1 · Guesser asks
Is it a celestial body such as a planet, star, moon, asteroid, or comet?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a celestial body such as a planet, star, moon, asteroid, or comet?"}}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 is the only celestial body beyond Earth – so far – visited by human beings.Open science.nasa.gov (opens in a new tab)
Earth's only natural satellite is simply called "the Moon" ... The resulting debris from both Earth and the impactor accumulated to form our natural satellite.Open solarsystem.nasa.gov (opens in a new tab)
2 · Answer check returns Yes
Q6
1 · Guesser asks
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 evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
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)Source summary (model-reported)
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) 2 · Answer check returns Yes
Q7
1 · Guesser asks
Is it one of the eight major planets of the Solar System?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it one of the eight major planets of the Solar System?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets.Open science.nasa.gov (opens in a new tab)
Naturally-formed bodies that orbit planets are called moons, or planetary satellites. ... Earth's MoonOpen science.nasa.gov (opens in a new tab)
The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. ... Moons orbit planets. ... Earth has one.Open svs.gsfc.nasa.gov (opens in a new tab)
2 · Answer check returns No
Q8
1 · Guesser asks
Is it a natural satellite that orbits a planet or other larger body?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a natural satellite that orbits a planet or other larger body?"}}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. The Moon completes one orbit around Earth in 27.3 days.Open asc-csa.gc.ca (opens in a new tab)
Earth has a single natural satellite, the Moon, which orbits the planet at a mean distance of about 384,400 km (238,900 miles).Open britannica.com (opens in a new tab)
2 · Answer check returns Yes
Q9
1 · Guesser asks
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)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
Moon
Earth's natural satellite
Validator rationale The proposal identifies the specific Moon, Earth's natural satellite, matching the trusted target entity.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth's natural satellite","name":"Moon","question":null}} 2 · Validator returns Yes