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

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:
Which model was married to photographer David Bailey for 10 years, from 1975?

Ex Output:
david bailey


Ex Input:
Who was the hero in the Die Hard series of films?

Ex Output:

die hard