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
- 3m 34s
- Round cost
- $0.1062 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.
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.
Earth has one natural satellite, called the Moon ... The Moon is a barren, lifeless world.Open timeanddate.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
Q2
1 · Guesser asks
Is it something made or substantially modified by humans?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it something made or substantially modified by humans?"}}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. It likely formed when a very large (Mars-sized) asteroid struck Earth 4.5 billion years ago, very early in our planet's history. The debris from the impact clumped together to form our natural satellite, the Moon.
Open asc-csa.gc.ca (opens in a new tab)Source summary (model-reported)
NASA describes human and robotic missions reaching the Moon, including astronauts examining the Surveyor 3 spacecraft and removing some of its parts. The article identifies these as spacecraft, equipment, and activities occurring on the lunar surface.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA reports that images of the Apollo 17 landing site show rover tracks, astronaut footprints, scientific instruments, and paths created by the astronauts on the lunar surface.
Open science.nasa.gov (opens in a new tab) 2 · Answer check returns No
Q3
1 · Guesser asks
Is the subject a naturally occurring physical object or substance, rather than a place, event, or abstract concept?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a naturally occurring physical object or substance, rather than a place, event, or abstract concept?"}}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. 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)Source summary (model-reported)
A natural satellite is a small solar system body of natural origin that orbits a larger solar system body. The Earth and the Moon are shown as examples.
Open link.springer.com (opens in a new tab)Source summary (model-reported)
The earth's natural satellite ... has a diameter of 2160 miles (3475 kilometers), a mean distance from the earth of about 238,900 miles (384,400 kilometers), and a mass about one eightieth that of the earth.
Open merriam-webster.com (opens in a new tab) 2 · Answer check returns Yes
Q4
1 · Guesser asks
Is it normally a solid at Earth’s surface?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it normally a solid at Earth’s surface?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Like Earth, the Moon consists of three main layers: a crust, a mantle, and a core. ... The result is ... solid core, mostly solid/partly liquid mantle, and thin outer crust.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
The Moon, like Earth, is a layered or "differentiated" world with a core, mantle, and 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) 2 · Answer check returns Yes
Q5
1 · Guesser asks
Is the subject a rock or mineral, rather than ice, soil, or another natural solid substance?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a rock or mineral, rather than ice, soil, or another natural solid substance?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Moon, like Earth, is a layered or "differentiated" world with a core, mantle, and crust. ... Minerals forming the lunar crust are made up of oxygen, silicon, magnesium, iron, calcium, and aluminum...
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 ... Earth's Moon has a core, mantle, and crust. ... The mantle ... is most likely made of minerals like olivine and pyroxene...
Open science.nasa.gov (opens in a new tab) 2 · Answer check returns No
Q6
1 · Guesser asks
Is it composed primarily of frozen water (ice)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it composed primarily of frozen water (ice)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Moon, like Earth, is a layered world with a core, a mantle, and a crust. The lunar mantle is mostly solid and is mainly composed of basalt rich in olivine and pyroxene.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
Evidence shows that water exists on the Moon in the form of ice within permanently shadowed regions. Confirmed locations of water ice are found in permanently shadowed regions on the lunar surface.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
Water ice at the surface of the Moon is patchily distributed. At the southern pole, most of the ice is concentrated at lunar craters, while the northern pole's ice is more widely, but sparsely spread.
Open jpl.nasa.gov (opens in a new tab) 2 · Answer check returns No
Q7
1 · Guesser asks
Is the subject a loose natural material such as soil, sand, clay, or sediment, rather than a single coherent object?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a loose natural material such as soil, sand, clay, or sediment, rather than a single coherent object?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
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)
Earth's Moon ... resulting debris from both Earth and the impactor accumulated to form our natural satellite. ... Over billions of years, the surface has been ground up into fragments ranging from huge boulders to powder.
Open jpl.nasa.gov (opens in a new tab)Source summary (model-reported)
Regolith is a general term for the layer of loose rock material that forms the surface of a planet ... the layer of material on the lunar surface. ... Lunar "soil" — regolith — forms when impactors strike the Moon's surface and pulverize the rock.
Open lpi.usra.edu (opens in a new tab) 2 · Answer check returns No
Q8
1 · Guesser asks
Is it material that originated from a once-living organism, such as wood, bone, shell, or amber?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it material that originated from a once-living organism, such as wood, bone, shell, or amber?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
NASA states that minerals forming the lunar crust contain oxygen, silicon, magnesium, iron, calcium, and aluminum, with smaller amounts of other elements. It describes the Moon as having a solid core, mostly solid mantle, and rocky crust.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA says the Moon was once covered by an ocean of magma and that lunar soil is made of pulverized rock created by meteorite impacts. It also reports that lunar rocks have chemical and isotopic similarities to rocks from Earth.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
NASA reports that the lunar surface is inhospitable for known forms of life and that scientists do not think organic matter in Apollo samples came from life on the Moon. Possible sources included terrestrial contamination, rocket exhaust, and non-biological chemistry.
Open nasa.gov (opens in a new tab) 2 · Answer check returns No
Q9
1 · Guesser asks
Is the subject a naturally occurring large-scale landform or geological feature, such as a mountain, cliff, or canyon?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a naturally occurring large-scale landform or geological feature, such as a mountain, cliff, or canyon?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Moon is a spherical rocky body, probably with a small metallic core, revolving around Earth in a slightly eccentric orbit at a mean distance of about 384,000 km (238,600 miles).Open britannica.com (opens in a new tab)
Most mountains on the Earth are formed as plates collide and the crust buckles. Not so for the Moon, where mountains are formed as a result of impacts. ... Moon Is a satellite of: Earth.Open science.nasa.gov (opens in a new tab)
2 · Answer check returns No
Q10
1 · Guesser asks
Is it a naturally occurring object that originated beyond Earth, such as a meteorite?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is it a naturally occurring object that originated beyond Earth, such as a meteorite?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Near the time of the solar system’s formation, about 4.5 billion years ago, something ... crashed into the young Earth and flung enough molten and vaporized debris into space to create the Moon. Earth’s Moon is thought to have formed in a tremendous collision.
Open science.nasa.gov (opens in a new tab)Source summary (model-reported)
The current theory is the giant impactor theory ... Earth had collided with a Mars-sized object named Theia. But once we send future astronauts to the lunar surface again, who knows? We may actually have a whole new theory in the coming decades.
Open nasa.gov (opens in a new tab) 2 · Answer check returns Rather yes
Q11
1 · Guesser asks
Is the subject a celestial body that orbits a star, planet, or other astronomical object, rather than a fragment such as a meteorite?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is the subject a celestial body that orbits a star, planet, or other astronomical object, rather than a fragment such as a meteorite?"}}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. ... 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)
A moon, or natural satellite, is a celestial body that orbits a planet or another small celestial body.Open asc-csa.gc.ca (opens in a new tab)
2 · Answer check returns Yes
Q12
1 · Guesser asks
Does the subject orbit a planet or dwarf planet as a natural satellite, rather than orbiting a star directly?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does the subject orbit a planet or dwarf planet as a natural satellite, rather than orbiting a star directly?"}}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. 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)
Earth's only natural satellite is simply called "the Moon" ... The Moon makes a complete orbit around Earth in 27 Earth days.Open solarsystem.nasa.gov (opens in a new tab)
2 · Answer check returns Yes
Q13
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 is the only natural satellite of Earth. It orbits around Earth at an average distance of 384,399 kilometers (238,854 mi).Open en.wikipedia.org (opens in a new tab)
2 · Answer check returns Yes
G
1 · Guesser guessesNot counted
the Moon
Earth’s natural satellite, the large celestial body that orbits Earth.
Validator rationale The proposal identifies the specific Moon, Earth's natural satellite, as the whole celestial body.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Earth’s natural satellite, the large celestial body that orbits Earth.","name":"the Moon","question":null}} 2 · Validator returns Yes