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 was the title of the 7th and final book in the Chronicles of Narnia by C.S. Lewis?

Output: the chronicles of narnia


Input: Consider Input: Which English comedian 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: Who wrote the novel 'The Eagle Has landed'?


Output: the eagle has landed