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: Which 'Coronation Street' character was played for may years by Jean Alexander?

SOLUTION: jean alexander

PROBLEM: Which African country is sandwiched between Ghana and Benin?

SOLUTION:
benin