Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Ex Input:
Chep Lap Kok airport is located where?

Ex Output:
hong kong international airport


Ex Input:
Which British singer released a 1972 album entitled 'Blondes Have More Fun'?

Ex Output:
blondes have more fun


Ex Input:
'Five Points' was the setting for which 2002 Martin Scorsese film starring Daniel Day-Lewis, Leonardo DiCaprio, Cameron Diaz and Liam Neeson?

Ex Output:

martin scorsese