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

Input: Consider Input: 'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?

Output: edward lewis


Input: Consider Input: In which country are the Angel Falls, or Kerepakupai Ven?

Output: angel falls


Input: Consider Input: In pop music, who went for a stroll down 'Baker Street' in 1978?


Output: baker street