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

Example Input: In which country did the dance The Czardas originate?
Example Output: csardas

Example Input: Which US state was the title of a no. 1 hit for the Bee Gees in 1967?
Example Output: bee gees

Example Input: Which US singer released a 2000 album entitled 'Music'?
Example Output:
album