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: Cassandra, Grizabella and Skimbleshanks are all characters in which Andrew Lloyd Webber musical?

Output: andrew lloyd webber


Input: Consider Input: In which Italian city was Christopher Columbus born?


Output: christopher columbus