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

SOLUTION: angel falls

PROBLEM: Denzil Washington played which black militant leader in the 1992 film of the same name?

SOLUTION: denzel washington

PROBLEM: The Greeks called her Artemis, what was the Roman name for this Goddess?

SOLUTION:
artemis