Q: Has Aretha Franklin ever collaborated with a suicidal person?
A: yes
Explanation: Donny Hathaway was a singer and session musician that worked with Staple Singers, Jerry Butler, Aretha Franklin, the Impressionsand Curtis Mayfield. Donny Hathaway jumped from his 15th floor room and his death was ruled a suicide.

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

Q: Was the Euro used in Prussia?
A:
no
Explanation: Prussia was formally abolished in 1947. The Euro was introduced in 1992.