Yes / no, is the following a verifiable fact?
"In a Serfdom, serfs were bound to the land upon which they were born and the fruits of their labors belong to the person who owned the land."

Let me think out loud. The sentence is true because the definition of a serfdom. The answer is yes.

Is the following sentence factually correct?
"Feelings of Shame can cause some people to blush."
Options:
- yes
- no

Let me think out loud. Shame is an emotion often depicted and denoted through a blush. The answer is yes.

Yes / no, is the following a verifiable fact?
"Pecans did not originate from the southern regions of the United States and have not become a very popular cuisine. These fruits are noted harvested in Mexico."
Let me think out loud. Facts provided say originated from US and Mexico and nuts and seeds; this calls them fruits. The answer is no.