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

Ex Input:
Who kept the score on Bullseye?

Ex Output:
bullseye


Ex Input:
Which engineer built the Menai Suspension Bridge and the Caledonian Canal?

Ex Output:
menai suspension bridge


Ex Input:
Philadelphia, Cheddar, Feta, and Paneer are all?

Ex Output:

cheddar cheese