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

Ex Input:
What sport features in the films `He Got Game` (1998), `Flubber` (1997) and `Celtic Pride` (1996)?

Ex Output:
celtic pride


Ex Input:
On which date do we celebrate 'Boxing Day'?

Ex Output:
boxing day


Ex Input:
Who was sacked as Cardiff City manager on December 27th, 2013?

Ex Output:

cardiff city f.c.