Q: Yes / no, is the following a verifiable fact?
"Moss growth is greatly impacted by the pH of the rock it grows on."
A: The answer is no.
Chain of thoughts: Rock pH does not change so long as the rock stays in a solid state.

Q: "Northwest Airlines takes great safety measures before boarding."
Is the above claim true?
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Most airlines take great safety measures before boarding.

Q: Does the following sentence make sense?
"New cars are built with a hybrid metal called Mattel that incorporates magnesium."
Options:
- yes
- no
A: The answer is no.
Chain of thoughts: Mattel is not a type of metal, it is a toy and game brand.

Q: Does the following sentence make sense?
"The etymology of September tells us that the name of the the ninth month in our year actually comes from the number seven."
Options:
- yes
- no
A:
The answer is yes.
Chain of thoughts: September was the seventh month in the Roman year, later two more months were added.