CoT and answer: San Francisco is a major US city with over 800,000 people. San Francisco is known for mass transit and being a metropolitan area.
no
Do reverse engineering and find the question: Would someone go to San Francisco for a nature escape?

CoT and answer: Robin Williams played the male lead in Mrs. Doubtfire. Robin Williams had a prolific standup and film comedy career.
yes
Do reverse engineering and find the question: Was the man who played the male lead in Mrs. Doubtfire known for his humour?

CoT and answer: The Reformation took place in the 16th century. Barack Obama was born in 1961.
no
Do reverse engineering and find the question: Did Barack Obama participate in the Reformation?

CoT and answer: Donatello died on December 13, 1466. The first smartphone did not come out until 1992.
no
Do reverse engineering and find the question:
Did Donatello use a smartphone?