Q: Yes / no, is the following a verifiable fact?
"Safflower heals the sick and adds flavor to foods for cooking."
A: The answer is yes.
Chain of thoughts: Safflower is a plant used in medicine and cooking oil.

Q: Does the following sentence make sense?
"The Great Wall of China protected people of China from unwanted invaders."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: The wall is very hard to traverse, and is an effective strategy in keeping people from crossing over it easily.

Q: Does the following sentence make sense?
"Standard deviation calculates the mean, median an mode of a statistical data set."
Options:
- yes
- no
A: The answer is no.
Chain of thoughts: Standard deviation does not describe mean, median, and mode.

Q: Is the following sentence factually correct?
"Robin Williams dressed in drag for the movie Mrs. Doubtfire."
Options:
- yes
- no
A:
The answer is yes.
Chain of thoughts: Robin Williams dressed up as an old lady in the movie.