Q: Would United States Air Force consider Return of the Jedi's Han Solo bad hypothetical candidate?
A: Han Solo is an ace pilot ally in the Star Wars universe. The US Air Force requires candidates to be between 18 and 35 years old. Return of the Jedi's Han Solo is 36 years of age. The US Air Force requires a candidate to be an American citizen. Han Solo is from the planet Corellia in a galaxy far, far, away.
The answer is yes.

Q: Would the Ku Klux Klan welcome Opal Tometi into their group?
A: The Ku Klux Klan is an American white supremacist hate group whose primary targets are African Americans, as well as Jews, immigrants, leftists, and homosexuals. Opal Tometi is an African American woman. Opal Tometi is a co-founder of Black Lives Matter. Black Lives Matter (BLM) is a decentralized movement advocating for non-violent civil disobedience in protest against incidents of police brutality and all racially motivated violence against African-American people.
The answer is no.

Q: Was the Eiffel tower used as a symbol of the French Revolution?
A: The French Revolution took place 1789-1799. The Eiffel Tower was built a century later in 1888.
The answer is no.

Q: Would a duke hypothetically be subservient to a Tsar?
A:
The Tsar was the highest ruler in several eastern countries. A duke was a title given to important european nobles. Dukes ranked below princes, kings, and queens. Tsars were the equivalents of English Kings.
The answer is yes.