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 Block and David Quayle founded which British-based DIY retailing company in 1969?

SOLUTION: david quayle

PROBLEM: The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?

SOLUTION: the curious case of benjamin button

PROBLEM: In the Bible who was the son of Abraham and Sarah?

SOLUTION:
abraham