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

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

Example Input: What is the country of origin of the cheese called caerphilly?
Example Output: caerphilly cheese

Example Input: Who played the title role in the film `Edward Scissorhands`?
Example Output:
edward scissorhands