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

Ex Input:
July 1938 saw the first ascent of the North Face of which Alpine mountain?

Ex Output:
alps


Ex Input:
Which British Prime Minister delivered the 'Winds of Change' speech in 1960?

Ex Output:
wind of change


Ex Input:
Joe Frazier said 'He's phoney, using his blackness to get his way', about which other boxer?

Ex Output:

boxing