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

Input: Consider Input: Who succeeded Jon Pertwee as Doctor Who?

Output: doctor who


Input: Consider Input: Who wrote the poem Elegy Written in a Country Churchyard?

Output: elegy written in a country churchyard


Input: Consider Input: Nick Carter first entered the pop charts as a member of which boy band?


Output: boy band