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

Input: Consider Input: Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?

Output: dangerous moonlight


Input: Consider Input: Feb 15, 1564 saw the birth of what famed Italian physicist, mathematician, astronomer, and philosopher, who discovered the first 4 moons of Jupiter?

Output: astronomer


Input: Consider Input: What famous Cunard liner was sunk off the coast of Ireland on May 7, 1915, with the loss of 1198 lives?


Output: cunard line