Question: Yes / no, is the following a verifiable fact?
"John James Audubon devoted his life to documenting American birds."

Let me think..... Audubon is famous for his realistic bird illustrations. The answer is yes.

Question: Is the following a factual statement?
"Eric Clapton has performed and sang for many crowds."
Options:
- yes
- no

Let me think..... Eric Clapton is a famous musical artist that has had many hits. The answer is yes.

Question: Is the following sentence factually correct?
"Mothers do not have any children."
Options:
- yes
- no

Let me think..... A mother is the parent of a child. The answer is no.

Question: Claim: "One can travel to Richmond, Kentucky from Canada by heading north."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Let me think..... Richmond, Kentucky is south of Canada, not north of it. The answer is no.