Question: Yes / no, is the following a verifiable fact?
"The content of Philosophy and economics has increased since the 1980's."
Ans and explanation: The answer is yes.
Explanation: These subjects show a less broad curriculum then, than now.

Question: Does the following sentence make sense?
"An Umpire enforces the game based on their own personal rules."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: An Umpire (baseball) has to enforce rules based on those stated by the MLB, not their own rules.

Question: Is the following sentence factually correct?
"Back to the Future stars John Travolta in the lead role as Marty."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: John Travolta is not in Back to the Future. The lead role is played by Michael J. Fox.

Question: "In 2007, Universal Studios released Ratatouille."
Is the above claim true?
Options:
- yes
- no
Ans and explanation:
The answer is no.
Explanation: It was not Universal Studios that released this movie, it was Pixar.