Question part
Yes / no, is the following a verifiable fact?
"Drum produces musical sounds by being hit with Drum sticks."
Answer part
Oh man, I think this is the solution: When drum is hit, it creates vibrations which produce sounds. The answer is yes.

Question part
Claim: "Drillers extract gasoline from the Gastrointestinal tract."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: The gastrointestinal tract is part of the body, not a source of mineral wealth. The answer is no.

Question part
Does the following sentence make sense?
"A nation's spiritual development status is measured by Human Development Index."
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: Human Development Index is an international ranking of nation's people economic metic. The answer is no.

Question part
"Robin Williams played in the NBA for the Sixers."
Is the above claim true?
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: Robin Williams was a comedian and never a professional athlete. The answer is no.