Answer the following question: Claim: "The Marquis de Sade writings stirred up a great deal of controversy."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: The Marquis de Sade is known as one of history's most controversial authors.

Answer the following question: Does the following sentence make sense?
"Many films denote their date of production by using Roman numerals."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: The usage of Roman numerals to denote the copyright of films is a well known tradition.

Answer the following question: Is the following a factual statement?
"The primary cause of the Russian Civil War was over slave ownership."
Options:
- yes
- no
My answer and thoughts:
The answer is no.
Chain of thoughts: It had many causes, such as the growing power of competing forces and the treaty of Brest-Litovsk, but slavery was not among them.