TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which sprinter lit the Olympic flame at the 2000 Summer Olympic Games in Australia?

SOLUTION: 2000 summer olympics

PROBLEM: Who is the current Australian prime minister ?

SOLUTION: australia

PROBLEM: Mike Joyce, Johnny Marr, Stephen Morrisey and Andy Rourke were members of which pop group?

SOLUTION:
morrissey