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

Ex Input:
Alphabetically, which is the last state in Australia?

Ex Output:
australia


Ex Input:
Which American screenwriter, producer, director, actor, author and editor, most productive in the 1950's, made Plan 9 From Outer Space, Glen or Glenda and Bride Of The Monster?

Ex Output:
screenwriter


Ex Input:
What nationality was the explorer Dr Livingstone?

Ex Output:

david livingstone