Explanation and answer: Even if a person does not know of the river specifically, it is very well known that Detroit is in Michigan.
yes

The corresponding question: Yes / no, is the following a verifiable fact?
"The Detroit River runs through Michigan."
The sentence that I wrote about the number 7 is true because it is a fact that can be proven.
yes
Is the following a factual statement?
"The number 7 is a number that is used in numerology."
Options:
- yes
- no
Explanation and answer: Operation Gladio was done under the radar and unofficially supported by the Italian and other foreign governments.
yes

The corresponding question: Claim: "An example of black ops operations is Operation Gladio."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
This is well-known to be untrue; Taylor spent less than a year and a half in office before his death.
no
Is the following a factual statement?
"Zachary Taylor served longer as president than any other in American history."
Options:
- yes
- no
Explanation and answer: Fantasy is a genre of writing that encompasses thousands upon thousands of different books.
yes

The corresponding question: Claim: "Fantasy appears in many different books."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Explanation and answer: J. Edgar Hoover was the director of the FBI which led many of investigations.
yes

The corresponding question:
Is the following a factual statement?
"J. Edgar Hoover launched many of investigations in the 1960's."
Options:
- yes
- no