TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Harry, Tom, Dougie and Danny are collectively known as who in the pop world?

SOLUTION: dougie poynter

PROBLEM: Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?

SOLUTION: huw bunford

PROBLEM: Which American revolutionary leader wrote the influential pamphlet Common Sense in 1776?

SOLUTION:
common sense