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

Input: Consider Input: Which Bob Dylan song begins You got a lotta nerveTo say you are my friend. When I was down, You just stood there grinning?

Output: bob dylan

Input: Consider Input: Princess Estelle, Duchess of Ostergotland, granddaughter to King Carl XVI Gustaf, became 2nd in line to what nation's throne when born in 2012?

Output: carl xvi gustaf of sweden

Input: Consider Input: In which country is the deepwater ort of Brindisi?
Output: brindisi