Question: Is the following a factual statement?
"Cosmic microwave background allowed humans to better understand the universe."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Cosmic microwave background is a method used by scientists.

Question: Is the following sentence factually correct?
"Judas Iscariot founded the company Delta Airlines."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Judas Iscariot died long before Delta Airlines was founded.

Question: "Chuck Norris appeared in the film Karate Kid."
Is the above claim true?
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: He did not appear in the film and is not in the film credits.

Question: Is the following a factual statement?
"The Invisible Man became very popular for its romantic scenes and music."
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: This sentence might be wrong because The Invisible Man explained how people can be abused in a harmful relation.