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

Ex Input:
Which former Blue Peter presenter died in April 2004, aged 41?

Ex Output:
blue peter


Ex Input:
Who did boxer Floyd Patterson defeat to regain the Heavyweight Championship in June 1960?

Ex Output:
boxing


Ex Input:
Intensive British forces operations in Afghanistan through 2007 were centred in which province?

Ex Output:

afghanistan