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

Input: Consider Input: Austin is the state capitol of which US State?

Output: austin, texas


Input: Consider Input: Who is the BBC's political editor?

Output: bbc


Input: Consider Input: Played by Aaron Paul, who was Walter White's co-protagonist in 'Breaking Bad'?


Output: breaking bad