Yes / no, is the following a verifiable fact?
"The cartoons of William Hogarth entertained 18th century Londoners."
yes
William Hogarth was a political cartoonist in London in the 18th century.

"One Thousand and One Nights exists as a book series that can be found at the local grocery store."
Is the above claim true?
Options:
- yes
- no
no
I think my sentence is false because there is not sufficient evidence to indicate it to be true. I haven't personally seen this nor has anyone I know of.

Claim: "Atlantic cod exists in all oceans."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
no
Atlantic cod exists in only some regions of the world.

Is the following sentence factually correct?
"Joule takes its name after John Prescott Julie, a physicist from England."
Options:
- yes
- no
no
Joule is named after James Prescott Joule, an English physicist, mathematician and brewer, from England.