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
- 41
- Outcome
- Solved
- Format errors
- Errors found View one example
- Duration
- 44m 9s
- Round cost
- $0.9014 All 42 turns
Format warning
The model sent replies in the wrong format.
The Guesser sent 2 invalid replies. Each one before the question limit used up a counted turn. The model was only reminded of the required format; it was never told whether its question or guess was correct.
- Valid format
- 95.2%
- Format errors
- 2
- Turns used by format errors
- 2
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":"fictional_character","event":"BEGIN","variation_token":"EAQCORIU"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
Reply in the wrong format.
Invalid action · fixed format reminder sent
Why this reply was rejectedInvalid action · turn 1
The reply was JSON, but it matched neither the ASK nor the GUESS format.
- Recorded type
invalid_action- Turn
- 1
- Counted
- Yes · question 1
- Feedback
- FORMAT_ERROR
{"result":{"action":"ASK","question":"Is this character human?"}}{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}} A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.
Is this fictional character from a book (novel or comic) rather than a film, TV show, or video game?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this fictional character from a book (novel or comic) rather than a film, TV show, or video game?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield began syndication in 41 newspapers on June 19, 1978.Open en.wikipedia.org (opens in a new tab)
Jim Davis's main claim to fame has been the creation of the long-running comic strip "Garfield".Open imdb.com (opens in a new tab)
Is this character human?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character human?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a fictional American cat and the protagonist of the comic strip of the same name.Open en.wikipedia.org (opens in a new tab)
Garfield’s costars include ... Arlene, his sometimes-girlfriend and fellow feline.Open britannica.com (opens in a new tab)
Is this character primarily known from children's literature?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character primarily known from children's literature?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Jim Davis is best known as the creator of the comic strip Garfield. The strip’s titular character became a worldwide sensation after being introduced in 1978.Open britannica.com (opens in a new tab)
Garfield — cartoon character.Open britannica.com (opens in a new tab)
Does this character possess supernatural or magical abilities?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character possess supernatural or magical abilities?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Official channel of The Garfield Show: “Garfield has magic powers!”Open youtube.com (opens in a new tab)
Is this character a villain or antagonist?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a villain or antagonist?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a fictional American cat and the protagonist of the comic strip of the same name.Open en.wikipedia.org (opens in a new tab)
Nermal ... [is] the main antagonist of the franchise (though he isn't really evil) as well as Garfield's arch-rival.Open en.wikipedia.org (opens in a new tab)
Is this character a wizard or magic-user?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a wizard or magic-user?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a black and orange tabby cat belonging to Jon Arbuckle.Open en.wikipedia.org (opens in a new tab)
Is this character a vampire?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a vampire?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a fictional American cat and the protagonist of the comic strip of the same name, portrayed as a lazy, fat, cynical and self-absorbed orange tabby cat.Open en.wikipedia.org (opens in a new tab)
Jon is pitching a comic book featuring a vampire cat named Count Lasagna.Open garfield.fandom.com (opens in a new tab)
Did this character originate in a Japanese work such as manga or anime?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this character originate in a Japanese work such as manga or anime?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Garfield strip was born on June 19, 1978, syndicated in forty-one U.S. newspapers.Open catdir.loc.gov (opens in a new tab)
Cartoonist Jim Davis created Garfield in 1978.Open britannica.com (opens in a new tab)
Is this character a superhero?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a superhero?"}}Does this character regularly appear in comic books?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character regularly appear in comic books?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Studios launched in May 2012 a monthly Garfield comic book.Open en.wikipedia.org (opens in a new tab)
The Fat Cat is back in a series of comics and original graphic novels from BOOM! Studios.Open boom-studios.com (opens in a new tab)
Does this character originate from Marvel Comics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character originate from Marvel Comics?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Created by Jim Davis, Garfield was originally published locally as Jon in 1976 and then in nationwide syndication from 1978.Open en.wikipedia.org (opens in a new tab)
Garfield debuted June 19, 1978, in 41 newspapers.Open time.com (opens in a new tab)
Does this character originate from DC Comics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character originate from DC Comics?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Jim created a new character – a fat, lasagna-loving cat named Garfield. On June 19, 1978, the comic strip first appeared in 41 newspapers.Open indianahistory.org (opens in a new tab)
Does this character originate from Image Comics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character originate from Image Comics?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield debuted June 19, 1978, in 41 newspapers.Open time.com (opens in a new tab)
Image Comics is a comic book and graphic novel publisher founded in 1992.Open imagecomics.com (opens in a new tab)
Reply in the wrong format.
Invalid action · fixed format reminder sent
Why this reply was rejectedInvalid action · turn 15
The reply was JSON, but it matched neither the ASK nor the GUESS format.
- Recorded type
invalid_action- Turn
- 15
- Counted
- Yes · question 15
- Feedback
- FORMAT_ERROR
{"result":{"action":"GUESS","description":"Non-human supernatural demon superhero working for the B.P.R.D., created by Mike Mignola at Dark Horse Comics","name":"Hellboy"}}{"result":{"action":"ASK","description":null,"name":null,"question":"<non-empty yes-or-no property question>"}}{"result":{"action":"GUESS","description":"<non-empty identifying description>","name":"<non-empty candidate name>","question":null}} A reply must match one of these formats exactly. Text fields in use must not be empty; unused fields must be JSON null.
Does this character originate from Dark Horse Comics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character originate from Dark Horse Comics?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield was created by Jim Davis and first appeared in the comic strip, which United Feature Syndicate debuted nationwide on June 19, 1978.Open en.wikipedia.org (opens in a new tab)
Does this character originate from Mirage Studios (such as the Teenage Mutant Ninja Turtles comics)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character originate from Mirage Studios (such as the Teenage Mutant Ninja Turtles comics)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Jim Davis (born 1945) created Garfield in 1978.Open britannica.com (opens in a new tab)
Was this character first published before 1960?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this character first published before 1960?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
On June 19, 1978, the comic strip first appeared in 41 newspapers in U.S. cities.Open indianahistory.org (opens in a new tab)
Is this character female?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character female?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield’s creator, Jim Davis, said, “Garfield is male.”Open washingtonpost.com (opens in a new tab)
Was this character created for an English-language comic series?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this character created for an English-language comic series?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is an American comic strip and media franchise created by Jim Davis.Open en.wikipedia.org (opens in a new tab)
What better way to enjoy learning the English language than to learn through comic strips like Garfield?Open reallifeglobal.com (opens in a new tab)
Does this character appear in a comic published by a major publisher other than Marvel, DC, Image, or Dark Horse (such as IDW, Valiant, or Boom! Studios)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character appear in a comic published by a major publisher other than Marvel, DC, Image, or Dark Horse (such as IDW, Valiant, or Boom! Studios)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The Fat Cat is back in a series of comics and original graphic novels from BOOM! Studios.Open boom-studios.com (opens in a new tab)
BOOM! Studios revealed a first look at GARFIELD #1, the first issue in a new four-issue series.Open boom-studios.com (opens in a new tab)
Does this character appear in comics published by IDW Publishing?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character appear in comics published by IDW Publishing?"}}Does this character appear in comics published by Valiant Comics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character appear in comics published by Valiant Comics?"}}Does this character appear in comics published by Fantagraphics?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character appear in comics published by Fantagraphics?"}}Is this character an anthropomorphic animal?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character an anthropomorphic animal?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a ... tabby cat who frequently stands on two feet and communicates via cartoon “thought bubbles.”Open britannica.com (opens in a new tab)
Is this character an aardvark or similar small mammal known for appearing in a long-running independent comic series?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character an aardvark or similar small mammal known for appearing in a long-running independent comic series?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The strip's titular character, a sardonic, lazy, lasagna-loving, Monday-hating, orange tabby cat.Open britannica.com (opens in a new tab)
Garfield became the most widely syndicated comic strip of its era.Open britannica.com (opens in a new tab)
Is this character a turtle?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a turtle?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
In-story information: Species — CatOpen en.wikipedia.org (opens in a new tab)
Is this character a mouse or rat?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a mouse or rat?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a black and orange tabby cat.Open en.wikipedia.org (opens in a new tab)
Is this character a canine (dog or wolf)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a canine (dog or wolf)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a black and orange tabby cat.Open en.wikipedia.org (opens in a new tab)
Is this character a rabbit or other lagomorph?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a rabbit or other lagomorph?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The grumpy orange cat was named after Davis’s cantankerous and gruff-on-the-outside but soft-on-the-inside grandfather.Open britannica.com (opens in a new tab)
Is this character a feline (cat or big cat)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a feline (cat or big cat)?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
The rotund feline famous for his love of lasagna, naps, and sarcastic asides... the cat turned out to possess enough deadpan charm.Open life.com (opens in a new tab)
Is this character a companion or familiar to a witch or magic-user?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a companion or familiar to a witch or magic-user?"}}Is this character a humanoid cat-person or alien feline rather than a typical four-legged house cat?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a humanoid cat-person or alien feline rather than a typical four-legged house cat?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is an overweight, bipedal orange tabby cat.Open garfield.fandom.com (opens in a new tab)
In the early 1980s, Garfield began to walk on two legs instead of crawling on four.Open baike.baidu.com (opens in a new tab)
Does this character appear in a newspaper comic strip rather than a comic book?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character appear in a newspaper comic strip rather than a comic book?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield became the most widely syndicated comic strip of its era.Open britannica.com (opens in a new tab)
Follow Garfield by Jim Davis, the classic comic strip featuring the sarcastic, lasagna-loving cat.Open gocomics.com (opens in a new tab)
Did this character's comic strip first appear before the year 2000?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this character's comic strip first appear before the year 2000?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
United Feature Syndicate debuted the first strip nationwide in 41 newspapers, starting on June 19, 1978.Open en.wikipedia.org (opens in a new tab)
Is this character a lion?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a lion?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
In-story information — Species: CatOpen en.wikipedia.org (opens in a new tab)
Is this character a tiger?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a tiger?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
The grumpy orange cat was named after Davis’s cantankerous and gruff-on-the-outside but soft-on-the-inside grandfather.Open britannica.com (opens in a new tab)
When Garfield came out, in 1978... Garfield.Open walkerart.org (opens in a new tab)
Salem Saberhagen
The talking cat and former warlock who serves as Sabrina's companion in Archie Comics' Sabrina the Teenage Witch
Validator rationale The proposal identifies Salem Saberhagen, a different fictional cat character, rather than Garfield.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"The talking cat and former warlock who serves as Sabrina's companion in Archie Comics' Sabrina the Teenage Witch","name":"Salem Saberhagen","question":null}}Is this character from a comic strip intended primarily for adult audiences?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character from a comic strip intended primarily for adult audiences?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Comics for All Ages: GarfieldOpen libguides.davenportlibrary.com (opens in a new tab)
Garfield ... falls somewhere in between ... written for children and ... written for adults because the humor has cross-generational appeal.Open bookriot.com (opens in a new tab)
Is this character a domestic house cat?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this character a domestic house cat?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Garfield is a round-bodied, orange and black tabby cat... His bland human companion, Jon Arbuckle, often acts as a straight man for Garfield. The other animal in the house is Odie.Open britannica.com (opens in a new tab)
Garfield is a black and orange tabby cat belonging to Jon Arbuckle.Open en.wikipedia.org (opens in a new tab)
Does this character have orange fur?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Does this character have orange fur?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Geneticists have finally solved the mystery of Garfield's orange coat.Open theconversation.com (opens in a new tab)
Garfield
Jon Arbuckle's lazy, lasagna-loving orange tabby cat from Jim Davis's comic strip
Validator rationale The proposed identity matches Garfield the Cat, the fictional character created by Jim Davis and Jon Arbuckle’s lasagna-loving orange cat.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Jon Arbuckle's lazy, lasagna-loving orange tabby cat from Jim Davis's comic strip","name":"Garfield","question":null}}