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 Renaissance artist's life was fictionalised in the book 'The Agony and the Ecstasy' subsequently made into a film?

Output: the agony and the ecstasy


Input: Consider Input: Who wrote the musical Cats?


Output: cats