Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: Who won a Gold Medal for Britain in the men's 100 metres at the 1992 Summer Olympic Games in Barcelona?

Output: britain

Input: Consider Input: Which film actor (1895-1926) is known for his films The Four Horsemen, The Sheik and Blood And Sand?

Output: blood and sand

Input: Consider Input: Athos, Porthos, and Aramis are collectively known as whom?
Output: athos