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

Example Input: Who composed 'Belshazzar's Feast' cantata?
Example Output: belshazzar's feast

Example Input: Which 1970s musical film starred Angela Lansbury as a trainee witch?
Example Output: angela lansbury

Example Input: Where in the world would you find Cumbum?
Example Output:
cumbum, andhra pradesh