TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Who won the 2011 Booker Prize for 'The Sense of an Ending'?

SOLUTION: the sense of an ending

PROBLEM: The Ivy League University 'Dartmouth College' is in which US state?

SOLUTION: dartmouth college

PROBLEM: Runa Islam, Mark Leckey, Goshka Macuga and Cathy Wilkes are this year's nominees for which prize?

SOLUTION:
cathy wilkes