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

Example Input: Aaron Copeland wrote a ballet about which American folk hero?
Example Output: aaron copeland

Example Input: Bound for Glory is the 1943 autobiography of which singer-songwriter?
Example Output: bound for glory

Example Input: With which sport would you associate Davis Love III?
Example Output:
davis love iii