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

Ex Input:
In which city was Christopher Columbus born?

Ex Output:
columbus


Ex Input:
Which cyclist won the first medal for Team GB at the 2012 Olympic Games?

Ex Output:
gb


Ex Input:
Which board game was invented by part-time clown, Anthony E Pratt?

Ex Output:

anthony e. pratt