TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?

SOLUTION: charles dickens

PROBLEM: Which model was married to photographer David Bailey for 10 years, from 1975?

SOLUTION: david bailey

PROBLEM: What was the name of the kind hearted orphan created in two books by Eleanor H Porter?

SOLUTION:
eleanor h. porter