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

Example Input: What horse won the 2009 Grand National?
Example Output: 2009 grand national

Example Input: Which four letter word beginning with 'F' is a white crumbly Greek cheese, made from sheep's or goats milk and cured in brine?
Example Output: sheep

Example Input: 'The Divine Miss M' was the debut album of which US singer?
Example Output:
the divine miss m