instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
In which book of the Bible are the Ten Commandments first mentioned?
answer:
bible


question:
Auld Reekie is the nickname for which Scottish city?
answer:
auld reekie


question:
Central Park is in which borough?
answer:

central park