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

Ex Input:
Pirate Edward Teach was better known by what nickname?

Ex Output:
edward teach


Ex Input:
The Bryce Canyon and Zion National Parks are in which US state?

Ex Output:
bryce canyon national park


Ex Input:
Who replaced Jeff Stelling as host of Channel 4's Countdown?

Ex Output:

countdown