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

Example Input: What is the smallest country in Central America Costa Rica, Venezuela or El Salvador?
Example Output: central america

Example Input: Who had a hit album with Back to Bedlam in 2005?
Example Output: back to bedlam

Example Input: The Whitsunday Islands lieoff the coast of which Australian state?
Example Output:
whitsunday islands