Q: Is the following a factual statement?
"Cosmic microwave background allowed humans to better understand the universe."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Cosmic microwave background is a method used by scientists.

Q: Does the following sentence make sense?
"Azaleas generally aren't very toxic to animals."
Options:
- yes
- no
A: The answer is no.
Chain of thoughts: Azaleas are renowned for how toxic they are.

Q: Is the following statement true?
"Alan Greenspan plays jazz and is an expert economist."
A: The answer is yes.
Chain of thoughts: You can look up information and find he was a clarinetist.

Q: "Ingrid Bergman grew up in the city of Casablanca."
Is the above claim true?
Options:
- yes
- no
A:
The answer is no.
Chain of thoughts: Ingrid Bergman was Swedish and starred in the movie Casablanca.