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

Who kept the score on Bullseye?
bullseye

In which country are the Angel Falls, or Kerepakupai Ven?
angel falls

What was the name of the lion in C S Lewis's book 'The Lion, The Witch and The Wardrobe'?

c. s. lewis