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 achieved fame for his ,'Confessions Of An English Opium Eater'?

Output: confessions of an english opium-eater

Input: Consider Input: The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?

Output: the curious case of benjamin button

Input: Consider Input: Who created the statue of David, which is held in Florence's Academia Gallery?
Output: david