Yes / no, is the following a verifiable fact?
"The writings of Geoffrey Chaucer greatly influenced Dante Alighieri."

Let me think out loud. Geoffrey Chaucer was greatly influenced by Dante Alighieri. The answer is no.

Claim: "Writers use the word Sic to let readers know they are aware of mistakes in quotations."
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. The phrase "Sic" is generally known as a way to point out an existing mistake in a quoted statement. The answer is yes.

Yes / no, is the following a verifiable fact?
"Team Fortress 2 follows the original game developed by Activision."
Let me think out loud. The original game was a mod for Quake, developed by ID software. The answer is no.