Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Example Input: Which American actor and singer has joined Amanda Holden as one of the judges on the current series of 'Britain's Got Talent'?
Example Output: britain's got talent

Example Input: The most northerly part of mainland Australia is in which state?
Example Output: australia

Example Input: Who played Clarice Starling in the film Hannibal?
Example Output:
hannibal