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

Example Input: Harry, Tom, Dougie and Danny are collectively known as who in the pop world?
Example Output: dougie poynter

Example Input: Albion is the oldest known name for which nation?
Example Output: albion

Example Input: What is the largest brass section instrument in an orchestra?
Example Output:
brass instrument