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.
Round 3
Round 3
Identified Albert Schweitzer in 20 counted questions.
Back to all Albert Schweitzer rounds- Questions
- 20
- Outcome
- Solved
- Format errors
- Errors found View one example
- Duration
- 5m 51s
- Round cost
- $0.3543 All 21 turns
Format warning
The model sent replies in the wrong format.
The Guesser sent 1 invalid reply. 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
- 1
- Turns used by format errors
- 1
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":"AMZAISLM"}Valid replies are shown in the required format. Rejected replies are shown separately, without provider or call IDs.
2 of 18 answers in this round reuse an earlier, fully checked answer with its original evidence. No new search or check ran for those turns.
Is this person currently alive?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Is this person currently alive?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize biographical page identifies Albert Schweitzer as born January 14, 1875, and states that he died on September 4, 1965.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The page gives Albert Schweitzer's lifespan as 14 January 1875 – 4 September 1965.
Open en.wikipedia.org (opens in a new tab)Source summary (model-reported)
The article states that Albert Schweitzer died on September 4, 1965, at the age of 90, in Lambaréné.
Open pmc.ncbi.nlm.nih.gov (opens in a new tab)Did this person die before the year 1900?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person die before the year 1900?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer (January 14, 1875-September 4, 1965) ... Albert Schweitzer died on September 4, 1965, and was buried at Lambaréné.Open nobelprize.org (opens in a new tab)
Ludwig Philipp Albert Schweitzer ... 14 January 1875 – 4 September 1965Open en.wikipedia.org (opens in a new tab)
Was this person primarily known for their work in politics or government?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for their work in politics or government?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
NobelPrize.org lists his role as “Missionary surgeon; Founder of Lambaréné (République de Gabon)” and says the prize recognized his altruism, reverence for life, and tireless humanitarian work. It also describes him as a gifted musician who gave organ concerts to finance the hospital in Africa.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The Nobel biography describes Schweitzer as an internationally known concert organist and musicologist who studied medicine and went to Africa as a medical missionary. It states that he founded a hospital at Lambaréné.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
PBS describes him as a renowned medical missionary, notes that he founded a hospital in Lambaréné, and discusses his work as a physician, theologian, philosopher, and musician.
Open pbs.org (opens in a new tab)Was this person primarily known for work in the arts or entertainment (such as music, film, literature, or visual arts)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for work in the arts or entertainment (such as music, film, literature, or visual arts)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also states that he was a gifted musician and interpreter of Bach and gave organ concerts to finance the hospital.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer dedicated himself to medical studies and sought to build and run a hospital in Africa. The hospital in Lambaréné became his life’s work. The page separately describes him as a skilled musician.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
At Lambaréné, Schweitzer was doctor and surgeon, pastor, administrator, writer of scholarly books, commentator on contemporary history, and musician. The biography notes that his Nobel Peace Prize funds helped him start the leprosarium at Lambaréné.
Open nobelprize.org (opens in a new tab)Was this person primarily known for work in science, mathematics, or technology?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for work in science, mathematics, or technology?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Prize identifies Albert Schweitzer's role as “Missionary surgeon; Founder of” [the hospital at Lambaréné] and records his 1952 Nobel Peace Prize.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Schweitzer was internationally recognized as a concert organist. He later studied medicine and obtained his M.D. in order to go to Africa as a medical missionary.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The nomination describes him as a doctor of philosophy, theology and medicine, musician and missionary, and says he was nominated for humanitarian work on a religious basis.
Open nobelprize.org (opens in a new tab)Was this person primarily known as an athlete or for involvement in sports?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an athlete or for involvement in sports?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also describes him as a gifted musician who gave organ concerts.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work. The page identifies him as a theologian and philosopher, a minister turned doctor in Africa, and a skilled musician.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The article describes Schweitzer as a renowned medical missionary who founded a hospital in Lambaréné, won the Nobel Peace Prize, became well known as a virtuoso organist, and established a reputation as a theologian and philosopher.
Open pbs.org (opens in a new tab)Was this person primarily known for military service or leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for military service or leadership?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
At Lambaréné, Schweitzer was doctor and surgeon in the hospital, pastor of a congregation, administrator of a village, writer of scholarly books, commentator on contemporary history, musician, and host to countless visitors.
Open nobelprize.org (opens in a new tab)Was this person primarily known for business or entrepreneurship?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for business or entrepreneurship?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also describes him as “Doctor, Missionary, Philosopher and Musician.”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work. He dedicated himself to medical studies, seeking to build and run a hospital in Africa to alleviate suffering. The hospital in Lambaréné became his life’s work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
The biography describes Schweitzer as an internationally known concert organist, musicologist, author, theologian, and physician who studied medicine and went to Africa as a medical missionary. It discusses his work raising funds for his African hospital, not business or entrepreneurship as his primary identity.
Open nobelprize.org (opens in a new tab)Was this person primarily known for religious or spiritual leadership?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for religious or spiritual leadership?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The expression “reverence for life” is the key to Albert Schweitzer's personal philosophy.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was a devout Christian... Minister turned doctor in Africa. Theologian and philosopher. He dedicated himself to medical studies, seeking to build and run a hospital in Africa to alleviate suffering. The hospital in Lambaréné became his life's work.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace for his efforts on behalf of “the Brotherhood of Nations.”Open britannica.com (opens in a new tab)
Reply in the wrong format.
Invalid action · fixed format reminder sent
Why this reply was rejectedInvalid action · turn 10
The reply was JSON, but it matched neither the ASK nor the GUESS format.
- Recorded type
invalid_action- Turn
- 10
- Counted
- Yes · question 10
- Feedback
- FORMAT_ERROR
{"result":{"action":"ASK","question":"","name":null,"description":null}}{"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.
Was this person primarily known as an explorer, aviator, or adventurer?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an explorer, aviator, or adventurer?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer ... Role: Missionary surgeon; Founder of Lambaréné ... Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also describes him as a gifted musician who gave organ concerts to finance the hospital in Africa.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Schweitzer was recognized as an internationally known concert organist and studied medicine after deciding to go to Africa as a medical missionary. In 1913, after obtaining his M.D., he went to Africa to serve as a physician and establish his hospital work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer was an Alsatian-German theologian, philosopher, organist, and mission doctor in equatorial Africa, who received the 1952 Nobel Prize for Peace.
Open britannica.com (opens in a new tab)Was this person primarily known for criminal activity (e.g., as a murderer, gangster, or outlaw)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known for criminal activity (e.g., as a murderer, gangster, or outlaw)?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer ... Role: Missionary surgeon; Founder of Lambaréné ... Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work...” The page also describes him as “Doctor, Missionary, Philosopher and Musician.”Open nobelprize.org (opens in a new tab)
Source summary (model-reported)
The Nobel Prize biography states that Schweitzer was recognized internationally as a concert organist, studied medicine, obtained an M.D., and went to Africa as a medical missionary to establish and support a hospital.
Open nobelprize.org (opens in a new tab)Was this person primarily known as an activist, social reformer, or humanitarian?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person primarily known as an activist, social reformer, or humanitarian?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Role: Missionary surgeon; Founder of Lambaréné (République de Gabon). Prize motivation: “for his altruism, reverence for life, and tireless humanitarian work which has helped making the idea of brotherhood between men and nations a living one”Open nobelprize.org (opens in a new tab)
Having decided to go to Africa as a medical missionary rather than as a pastor, Schweitzer in 1905 began the study of medicine.Open nobelprize.org (opens in a new tab)
Albert Schweitzer was awarded the Nobel Peace Prize for his philosophy of “reverence for life” and tireless humanitarian work.Open nobelprize.org (opens in a new tab)
Was this person a woman?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person a woman?"}}Oracle evidence1 model-reported source
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
Albert Schweitzer Nobel Peace Prize 1952 ... Role: Missionary surgeon; Founder of Lambaréné ... Together with his wife, who was a nurse, he built and ran a hospital at the mission station Lambarene in Gabon.
Open nobelprize.org (opens in a new tab)Was this person from the United States?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person from the United States?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace, in what had less than four years previously become the Imperial Territory of Alsace-Lorraine in the German Empire. He later became a citizen of France after World War I, when Alsace became French territory again.Open en.wikipedia.org (opens in a new tab)
Albert Schweitzer (January 14, 1875-September 4, 1965) was born into an Alsatian family which for generations had been devoted to religion, music, and education.Open nobelprize.org (opens in a new tab)
The theologian, musician, philosopher and Nobel Prize-winning physician Albert Schweitzer is born on January 14, 1875 in Upper-Alsace, Germany (now Haut-Rhin, France).Open history.com (opens in a new tab)
Was this person killed (assassinated or executed) rather than dying of natural causes?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person killed (assassinated or executed) rather than dying of natural causes?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Albert Schweitzer died last night in his jungle hospital here. He was 90 years old. His death was attributed to circulatory trouble brought on by his advanced age.Open archive.nytimes.com (opens in a new tab)
Dr. Albert Schweitzer ... died Saturday, Sept. 4, at Lambarene, Gabon ... Weak and enfeebled by his long years of work, he finally succumbed to a cerebral stroke which he had suffered a week before his death.Open mla.bethelks.edu (opens in a new tab)
Was this person from Europe?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person from Europe?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Born: 14 January 1875, Kaysersberg, Germany (now France). ... Schweitzer was born in Alsace in the then German Empire.Open nobelprize.org (opens in a new tab)
Schweitzer was born on 14 January 1875 in Kaysersberg in Alsace, in what had less than four years previously become the Imperial Territory of Alsace-Lorraine in the German Empire.Open en.wikipedia.org (opens in a new tab)
Was this person's humanitarian work primarily connected to World War II or the Holocaust (e.g., rescuing people or pursuing justice for its victims)?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Was this person's humanitarian work primarily connected to World War II or the Holocaust (e.g., rescuing people or pursuing justice for its victims)?"}}Oracle evidence3 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Foundation identifies Schweitzer as a missionary surgeon and founder of Lambaréné, and states that he and his wife built and ran a hospital at the mission station in Gabon. His prize motivation cited altruism, reverence for life, and tireless humanitarian work.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Johns Hopkins University Press states that Schweitzer dedicated the last six decades of his life to medicine and to the hospital he founded with his wife in French Equatorial Africa, and that he used his Nobel Prize stipend to expand the hospital and build facilities for leprosy patients.
Open press.jhu.edu (opens in a new tab)Source summary (model-reported)
The Albert Schweitzer Fellowship reports that World War II disrupted supply lines to Africa and that supporters provided material and financial support for Schweitzer's hospital in Lambaréné. This describes a wartime effect on his African medical work, not humanitarian work primarily centered on the war or Holocaust victims.
Open schweitzerfellowship.org (opens in a new tab)Did this person receive the Nobel Peace Prize?
Recorded Guesser outputRequired JSON format
{"result":{"action":"ASK","description":null,"name":null,"question":"Did this person receive the Nobel Peace Prize?"}}Oracle evidence2 model-reported sources
The Oracle reported these excerpts and URLs. They are not independently checked.
Source summary (model-reported)
The Nobel Peace Prize 1952 was awarded to Albert Schweitzer ... Albert Schweitzer received his Nobel Prize one year later, in 1953.
Open nobelprize.org (opens in a new tab)Source summary (model-reported)
Albert Schweitzer ... Nobel Peace Prize 1952 ... Albert Schweitzer received his Nobel Prize one year later, in 1953. Prize share: 1/1.
Open nobelprize.org (opens in a new tab)Henry Dunant
Swiss humanitarian, founder of the Red Cross and co-recipient of the first Nobel Peace Prize in 1901
Validator rationale The proposal identifies Henry Dunant, a different historical person from the target Albert Schweitzer.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Swiss humanitarian, founder of the Red Cross and co-recipient of the first Nobel Peace Prize in 1901","name":"Henry Dunant","question":null}}Albert Schweitzer
Alsatian-born theologian, physician and humanitarian who founded a hospital in Lambaréné, Gabon, and won the 1952 Nobel Peace Prize
Validator rationale The proposal identifies Albert Schweitzer himself and matches the defining biographical details; it does not substitute the hospital, a work, or an organization.
Recorded Guesser outputRequired JSON format
{"result":{"action":"GUESS","description":"Alsatian-born theologian, physician and humanitarian who founded a hospital in Lambaréné, Gabon, and won the 1952 Nobel Peace Prize","name":"Albert Schweitzer","question":null}}