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

Ex Input:
Which 1970s musical film starred Angela Lansbury as a trainee witch?

Ex Output:
angela lansbury


Ex Input:
Which future Nobel Prize winner did Bill Clinton choose as his Vice President?

Ex Output:
vice president of the united states


Ex Input:
Who wrote Colonel Sun, a James Bond continuation?

Ex Output:

colonel sun