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

Example Input: Which hero of science fiction was created by Alex Raymond?
Example Output: alex raymond

Example Input: Who composed 'Eine Kleine Nachtmusik' in the 18th Century?
Example Output: eine kleine nachtmusik

Example Input: What is the name of the absent-minded inventor in the 1968 film 'Chitty Chitty Bang Bang'?
Example Output:
chitty chitty bang bang