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

Ex Input:
Dora Maar au Chat and The Weeping Woman are both portraits by which artist of his lover?

Ex Output:
dora maar au chat


Ex Input:
Who won the 2011 Booker Prize for 'The Sense of an Ending'?

Ex Output:
the sense of an ending


Ex Input:
Which city is the most easterly in Australia ?

Ex Output:

australia