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 1970s musical film starred Angela Lansbury as a trainee witch?

SOLUTION: angela lansbury

PROBLEM: Double vision, the perception of two images from a single object, is properly called what?

SOLUTION: double vision

PROBLEM: Jess Wright, Chloe Sims, Lauren Pope and James Argent all appear in which British Television reality show?

SOLUTION:
lauren pope