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

Ex Input:
Who had a hit album in 2010 with Can't Be Tamed?

Ex Output:
can't be tamed

Ex Input:
Christian Grey is a character in what recent book trilogy?

Ex Output:
christian grey

Ex Input:
What is the name of the highest prize awarded at the annual Cannes Film Festival?

Ex Output:
cannes film festival