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 American actor and singer has joined Amanda Holden as one of the judges on the current series of 'Britain's Got Talent'?

Output: britain's got talent


Input: Consider Input: What book was written by Alexandre Dumas about Edmond Dantes' imprisonment in the Chateau d'If?

Output: alexandre dumas


Input: Consider Input: Who played the title role in the TV western series Bronco?


Output: bronco