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

Ex Input:
Who wrote the novel 'Brideshead Revisited'?

Ex Output:
brideshead revisited


Ex Input:
Who is Claudios lover in Much Ado About Nothing?

Ex Output:
claudio


Ex Input:
What was the surname of the lead character in the 'Dirty Harry' series of movies?

Ex Output:

dirty harry