Is the following sentence factually correct?
"Some doctors choose to train and specialize in Obstetrics."
Options:
- yes
- no

Let me think out loud. Obstetrics is a subfield of medicine so there are doctors who specialize in it. The answer is yes.

Claim: "General Motors began operations in Asia."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no

Let me think out loud. While their current companies have operations in Asia, it started in the US. The answer is no.

"Marvel Comics headquartered in New York City publishes popular comics."
Is the above claim true?
Options:
- yes
- no
Let me think out loud. Marvel Comics is a publishing company based in New York City. The answer is yes.