instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who was the first person to sign the American Declaration of Independence?
answer:
united states declaration of independence

question:
James Dearden wrote which book, made into a famous film directed by Adrian Lyne, in 1987?
answer:
adrian lyne

question:
Which golfer won his second major title when he won the 2015 Open Championship?
answer:
2015 open championship