Question: Yes / no, is the following a verifiable fact?
"Guinea-Bissau produces granite and limestone in small-scale which are mainly used construction purposes."
Ans and explanation: The answer is yes.
Explanation: This is true because Guinea-Bissau does not export granite or limestone.

Question: Does the following sentence make sense?
"Pamplona brings many tourists with it's amazing attractions."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Pamplona is a popular tourist attraction because of how beautiful scenes it features.

Question: Is the following sentence factually correct?
"One can find the address and phone number of a person in the Yellow pages."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: The yellow pages has businesses only, the white pages has individual listings.

Question: Claim: "Guillotine kills humans by poisoning them with lead."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: Guillotine does not poison humans, it kills them by decapitations.