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

Input: Consider Input: In which book of the Bible are the Ten Commandments first mentioned?

Output: bible


Input: Consider Input: What was the name of Chuck Berry`s 1972 hit which gave him his first number one?

Output: chuck berry


Input: Consider Input: Who wrote the 1951 novel 'The Catcher in the Rye'?


Output: the catcher in the rye