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

Example Input: In which English city was Damien Hirst born?
Example Output: damien hirst

Example Input: What is the capital city of Colombia?
Example Output: colombia

Example Input: Who is the New Zealander who directed Shrek, Shrek 2, The Chronicles of Narnia: The Lion, the Witch, and the Wardrobe and The Chronicles of Narnia: Prince Caspian?
Example Output:
the chronicles of narnia