Question: Does the following sentence make sense?
"Linear algebra focuses on a branch of physics in which quantum mechanics is studied."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Linear algebra does not deal with quantum mechanics.

Question: Is the following statement true?
"Andrew Johnson ran for president in the last election."
Ans and explanation: The answer is no.
Explanation: Andrew Johnson has been dead for over one hundred years.

Question: Is the following a factual statement?
"Renault made many different models of cars."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: A car manufacturer would have more than one model.

Question: Does the following sentence make sense?
"Many Africans celebrate Cinco de Mayo."
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: Cinco de Mayo is a celebration of Mexico's independence, not Africa's.