Q: Is the following sentence factually correct?
"Adam Levine sings lead vocals for Maroon 5."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Adam Levine is well known, and the band is very popular due to his distinctive voice.

Q: Claim: "Martin Van Buren ran every single Sunday to his ex-wifes house."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
A: The answer is no.
Chain of thoughts: My sentence is false because there is no proof or evidence of it being true. No records or witnesses or testimonies indicate this.

Q: Is the following a factual statement?
"Katy Perry recorded several hit songs."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Katy Perry spawned five chart-topping U.S. Billboard Hot 100 singles.

Q: Yes / no, is the following a verifiable fact?
"Willard Van Orman Quine wrote postmodern philosophy."
A:
The answer is no.
Chain of thoughts: Willard Van Orman Quine was a logical positivst philosopher, a polar opposite.