Question: Is the following a factual statement?
"Frost occurs mainly during the winter."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Frost happens when it is cold, and winter is the coldest time of the year.

Question: Does the following sentence make sense?
"One can travel to Africa to see the Egyptian pyramids."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: The Egyptian pyramids are ancient masonry structures located in Egypt, Africa.

Question: Does the following sentence make sense?
"The country singer that has sold the most albums ever is the great Billy Ray Cyrus."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Garth Brooks has sold the most country albums of all time.

Question: "The Peace of Westphalia happened to be the final invasion of space slugs from Venus."
Is the above claim true?
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: There has never been an invasion of space slugs from Venus, and that is not what the Peace of Westphalia is about.