Q: Yes / no, is the following a verifiable fact?
"In Star Wars episodes IV - VI, Darth Vader is the main antagonist."
A: The answer is yes.
Chain of thoughts: Darth Vader is the head of the Evil Empire and main Villain in the Trilogy.

Q: "Many songs Johnny Cash wrote were rap songs."
Is the above claim true?
Options:
- yes
- no
A: The answer is no.
Chain of thoughts: Rap as a genre did not even exist when Johnny Cash was an artist.

Q: Yes / no, is the following a verifiable fact?
"Most cookies are made with a half cup of Basil."
A: The answer is no.
Chain of thoughts: Basil is not a typical ingredient in cookies.

Q: Is the following statement true?
"Elton John sang many popular hits over the years."
A:
The answer is yes.
Chain of thoughts: Elton John is a famous singer whose music is played worldwide.