instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
In which country are the Angel Falls, or Kerepakupai Ven?
answer:
angel falls


question:
In which US state are the Catskill Mountains?
answer:
catskill mountains


question:
What is the most north easterly of the contiguous US states?
answer:

united states