Question: Yes / no, is the following a verifiable fact?
"The most important part of travelling by hot air balloon is to make sure there is air in the Tire."
Ans and explanation: The answer is no.
Explanation: There is no tire necessary for an air balloon.

Question: Is the following a factual statement?
"Many Americans celebrate Thanksgiving by feasting on turkey."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Thanksgiving is a public holiday in the United States.

Question: Claim: "Extremism describes a political theory in which individuals will do extreme acts to spread ideology."
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 yes.
Explanation: Extremism is a dangerous political ideology in which people will do violent or extreme acts to spread a way of thinking.

Question: Does the following sentence make sense?
"Athletes who competed in the Ancient Olympic Games did so predominately in the nude."
Options:
- yes
- no
Ans and explanation:
The answer is yes.
Explanation: There is both written and visual historical evidence that Greek athletes often competed nude.