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 county town of Derbyshire?

SOLUTION: derbyshire

PROBLEM: What is the largest country in Africa?

SOLUTION: africa

PROBLEM: Which island was the home of Bob Marley, who died in 1981?

SOLUTION:
bob marley