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: Which British Prime Minister signed the 'Entente Cordiale' in 1904?

SOLUTION: prime minister of the united kingdom

PROBLEM: Who played the US President in the 1997 film 'Air Force One'?

SOLUTION:
air force one