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

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

Output: bbc

Input: Consider Input: Which musical has the songs 'Another Suitcase In Another Hall' and 'Oh What A Circus'?

Output: another suitcase in another hall

Input: Consider Input: Who rode Don't Push It to victory in the 2010 Grand National?
Output: don't push it