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

Example Input: Who bad a number 1 in the 1980's with Circle in the Sand?
Example Output: circle in the sand

Example Input: Allopurinol is typically prescribed for which illness?
Example Output: allopurinol

Example Input: Who played 'Emma Peel' in the 1998 film 'The Avengers'?
Example Output:
the avengers