TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Dora Maar au Chat and The Weeping Woman are both portraits by which artist of his lover?

SOLUTION: dora maar au chat

PROBLEM: In what language was The Communist Manifesto written?

SOLUTION: the communist manifesto

PROBLEM: In British legend, what is the name of King Arthur's sword?

SOLUTION:
king arthur