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

Q: Who is the BBC's political editor?

A: bbc
****
Q: Which instrument was Benny Goodman famous for playing?

A: benny goodman
****
Q: The star Bellatrix, whose name comes from a Latin word meaning warrior, can be found in which constellation?

A:
bellatrix
****