Reasoning & answer: There are two main theories about the origin of the Mona Lisa. The first is that a wealthy noblewoman, the wife of one of Leonardo's friends, sat as the model. Another popular theory is that Leonardo painted her as a cross-gendered self portrait.
yes
Question: Is the Mona Lisa based on a real person?

CoT and answer: Robert Downey Jr. plays Iron Man in the MCU. At the end of Avengers: Endgame, Iron Man uses the Infinity Stones against Thanos. The stones are too powerful for his human body to handle, so he dies after using them.
no
Do reverse engineering and find the question: Does Robert Downey Jr's Marvel Cinematic Universe character survive the Infinity War?

Solution: The Smithsonian National Zoo is in Washington DC. There is a harbor seal exhibit at the Smithsonian National Zoo.
Answer: yes
Question: Can you see live harbor seals in Washington DC?

Reasoning & answer: The Israelis are an ethnic group. The Hammerstein Ballroom is a venue for concerts and musical performances.
no
Question: Have the Israelis played the Hammerstein Ballroom?

CoT and answer: Black Salt has is a kiln-fired rock salt that contains sulfur. When black salt is cooked with, it smells similar to rotten eggs. Rotten eggs smell like sulfur.
yes
Do reverse engineering and find the question: Would food made with black salt smell of sulfur?

Reasoning & answer: Halloween is a holiday where children knock on doors of houses in their neighborhood asking for treats. Halloween falls on October 31st. New Year's Eve is a celebration of the end of the year held on December 31st.
no
Question:
Should you ask a neighbor for candy on New Year's Eve?