Is the following sentence factually correct?
"Lithium does not occur naturally, and is a man-made element."
Options:
- yes
- no

Let me think out loud. Lithium is natural and is among the first on the periodic table, though it is not overly common. The answer is no.

Is the following statement true?
"The Matrix became an award-winning science fiction film."

Let me think out loud. The film went on to win many awards post-release. The answer is yes.

Yes / no, is the following a verifiable fact?
"Hot dog are only eaten in restaurants."
Let me think out loud. Hot dogs are also a popular street food. The answer is no.