TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which film was based on the story The Sentinel by Arthur C Clarke?

SOLUTION: arthur c. clarke

PROBLEM: In 2011, Christian Bale won a Best Supporting Actor Oscar for his role as an assistant to his half-brother in which boxing related film?

SOLUTION: christian bale

PROBLEM: Which former leader of the Conservative party was MP for Folkestone and Hythe?

SOLUTION:
conservative party