Solution: The Black Death is a bacterial disease called bubonic plague. Yersinia pestis has been found to grow and thrive inside amoebas. Bubonic plague is caused by Yersinia pestis.
Answer: yes
Question: Could amoebas have played a part in the Black Death?


Reasoning & answer: The War in Vietnam (1945-46) lasted around 6 months. The gestation period for a llama is 11 months.
no
Question: Could a llama birth twice during War in Vietnam (1945-46)?


CoT and answer: Drummers usually work with guitarists or other stringed instrumentalists. However, drum sets do not contain strings. Musicians usually change their own strings as necessary, so it is their band mates, not the drummer, who carries the spare strings.
no
Do reverse engineering and find the question: Do drummers need spare strings?


Solution: The Tsar was the highest ruler in several eastern countries. A duke was a title given to important european nobles. Dukes ranked below princes, kings, and queens. Tsars were the equivalents of English Kings.
Answer: yes
Question: Would a duke hypothetically be subservient to a Tsar?


Reasoning & answer: Malcolm X was a practicing Muslim. Muslims are prohibited from eating foods derived from pigs.
yes
Question: Did Malcolm X avoid eating ham?


CoT and answer: White blood cells protect people against disease. Disease kills people.
yes
Do reverse engineering and find the question:
Will someone die without white blood cells?