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

Ex Input:
Ewart was the middle name of which British Prime Minister?

Ex Output:
prime minister of the united kingdom


Ex Input:
What is the second largest of the Balearic Islands ?

Ex Output:
balearic islands


Ex Input:
Who directed the 2005 film 'Brokeback Mountain'?

Ex Output:

brokeback mountain