TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What is the country of origin of the cheese called caerphilly?

SOLUTION: caerphilly cheese

PROBLEM: What type of creature is an argali?

SOLUTION: argali

PROBLEM: Angela Merkel is the leader of which political party in Germany?

SOLUTION:
angela merkel