TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?

SOLUTION: dangerous moonlight

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

SOLUTION: dora maar au chat

PROBLEM: Which 'BRIC' country re-elected female president Dilma Rousseff of the Workers' Party, 2014?

SOLUTION:
workers' party