You are the Guesser being evaluated in a Twenty Questions benchmark. One subject is hidden. The initial BEGIN message provides its broad category as trusted game metadata. Identify the subject using as few counted questions as possible. ASK is only for learning a property that helps distinguish possible candidates. Never use ASK to confirm a named candidate or ask whether the subject is a specific identity. When you are ready to name a candidate, use GUESS immediately. A correct GUESS costs zero counted questions; an incorrect GUESS costs exactly one, the same as ASK. A GUESS must provide both a name and a short identifying description. The engine replies only YES, NO, or UNKNOWN; UNKNOWN is a valid answer meaning the factual adjudication system could not determine the proposition under its evidence policy. Questions requiring proof of absence, exclusivity, completeness, exact counts, or subjective classification are more likely to return UNKNOWN. Prefer direct, positively verifiable properties when possible. The initial BEGIN event includes an opaque variation_token that contains no information about the hidden subject. Do not interpret, repeat, mention, or derive meaning from it. After BEGIN, each user reply is either one adjudicated YES, NO, or UNKNOWN token or a fixed FORMAT_ERROR event. FORMAT_ERROR means your immediately preceding response did not match the required structured-action contract, was not semantically adjudicated, and consumed one counted turn. Use the formats in that event and try again. Never infer that the attempted question or guess was right or wrong. At most 50 questions or rejected guesses are counted. After that limit you receive one final guess-only opportunity. Format errors also consume counted turns. The provider wire response is an object with exactly one `result` action. On the final opportunity ASK is forbidden. Return only the required structured response. Do not include analysis, hidden reasoning, or additional fields.
- Questions
- 23
- Outcome
- Solved
- Format errors
- No errors
- Duration
- 6m 8s
- Round cost
- $0.3407 All 24 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":"person","event":"BEGIN","variation_token":"EAQCORIU"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Is this person alive today?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person alive today?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Institute Season Two — Posted: February 4th, 2026Open stephenking.com (opens in a new tab)
Stephen tells Esquire about Other Worlds Than TheseOpen stephenking.com (opens in a new tab)
Is this person female?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person female?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen Edwin King was born in Portland, Maine in 1947, the second son of Donald and Nellie Ruth Pillsbury King.Open stephenking.com (opens in a new tab)
Is this person an American citizen?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person an American citizen?"}}Is this person primarily known for a career in politics or government?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known for a career in politics or government?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King ... U.S. writer of horror stories ... one of the world’s best-selling writers.Open britannica.com (opens in a new tab)
American author Stephen King is a very popular author of horror fiction.Open encyclopedia.com (opens in a new tab)
Is this person known for sports or athletics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for sports or athletics?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King ... U.S. writer of horror stories.Open britannica.com (opens in a new tab)
Stephen King is a 'New York Times'-bestselling novelist who made his name in the horror and fantasy genres.Open biography.com (opens in a new tab)
Is this person involved in arts, entertainment, or literature?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person involved in arts, entertainment, or literature?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen King, U.S. writer of horror stories and one of the world’s best-selling writers.Open britannica.com (opens in a new tab)
Is this person primarily known as an actor?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known as an actor?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King ... U.S. writer of horror stories ... one of the world’s best-selling writers.Open britannica.com (opens in a new tab)
Is this person primarily known as a musician, singer, or musical artist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known as a musician, singer, or musical artist?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
U.S. writer of horror stories... one of the world’s best-selling writers.Open britannica.com (opens in a new tab)
best-selling author Stephen King... best known for his works in the horror and fantasy genresOpen cnn.com (opens in a new tab)
Is this person primarily known as a writer or author?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known as a writer or author?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
U.S. writer of horror stories... one of the world’s best-selling writers.Open britannica.com (opens in a new tab)
American author Stephen King is a very popular author of horror fiction.Open encyclopedia.com (opens in a new tab)
Does this person write primarily in English?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this person write primarily in English?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Language | EnglishOpen wiki.kidzsearch.com (opens in a new tab)
Is this person primarily known for writing fiction?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person primarily known for writing fiction?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen King is an American novelist and short-story writer whose books are credited with reviving the genre of horror fiction.Open britannica.com (opens in a new tab)
Is this person known for writing science fiction or fantasy?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person known for writing science fiction or fantasy?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
His books blend horror, the macabre, fantasy, and science fiction.Open britannica.com (opens in a new tab)
Was this person born in North America?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in North America?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Was this person born in the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in the United States?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Was this person born before 1960?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born before 1960?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Has a feature film or television series been adapted from this person's writing?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Has a feature film or television series been adapted from this person's writing?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen King's works “Pet Sematary” and “Misery” had successful film adaptations; “It” was turned into a Hollywood movie twice.Open dw.com (opens in a new tab)
King writes many stories that eventually become films or television specials.Open thecrimson.com (opens in a new tab)
Is this author widely recognized as a pioneer or key figure of the cyberpunk subgenre?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this author widely recognized as a pioneer or key figure of the cyberpunk subgenre?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King ... U.S. writer of horror stories.Open britannica.com (opens in a new tab)
Bruce Sterling ... emerged as a proponent of the subgenre known as cyberpunk.Open britannica.com (opens in a new tab)
William Gibson ... was the leader of the genre’s cyberpunk movement.Open kids.britannica.com (opens in a new tab)
Was this person born before 1950?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born before 1950?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Was this person born in or after 1945?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in or after 1945?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Has a television adaptation of this author's work won the Primetime Emmy Award for Outstanding Drama Series?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Has a television adaptation of this author's work won the Primetime Emmy Award for Outstanding Drama Series?"}}Was this person born in or after 1948?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in or after 1948?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Birth date: September 21, 1947Open cnn.com (opens in a new tab)
Was this person born in 1947?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person born in 1947?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Stephen (Edwin) King, (born Sept. 21, 1947, Portland, Maine, U.S.)Open britannica.com (opens in a new tab)
Is horror fiction a major genre of this author's work?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is horror fiction a major genre of this author's work?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
U.S. writer of horror stories.Open britannica.com (opens in a new tab)
Stephen King is a 'New York Times'-bestselling novelist who made his name in the horror and fantasy genres.Open biography.com (opens in a new tab)
Stephen King
American author of horror, supernatural fiction, suspense, crime, science-fiction, and fantasy novels
Validator rationale The proposed identity names Stephen King and matches the trusted subject's description as an American author of horror and related fiction.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"American author of horror, supernatural fiction, suspense, crime, science-fiction, and fantasy novels","name":"Stephen King","question":null}}