Is the following a factual statement?
"The Nobel prize was awarded to the best singer at the Eurovision Song Contest."
Options:
- yes
- no

Let me think out loud. The Nobel prize is not awarded at a singing contest. The answer is no.

"Slash ran for President of the United States in 2001."
Is the above claim true?
Options:
- yes
- no

Let me think out loud. Slash is not a politician and so never tried to get elected to office. The answer is no.

Claim: "Two men faced off in battle during the Boxer Rebellion."
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 out loud. History has recorded deaths as a result of such rebellion and many fights. The answer is yes.