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

[Q]: In which country are the Angel Falls, or Kerepakupai Ven?
[A]: angel falls


[Q]: Chris Difford and Glenn Tilbrook founded which band in 1974?
[A]: chris difford


[Q]: Castlebay is the main town on which Scottish island?
[A]:
castlebay