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 Best Picture nominated movie tells the story of US soldier, 'Chris' Kyle?

Output: chris kyle


Input: Consider Input: Cinder Cone, composite, and shield are all types of what?

Output: cinder cone


Input: Consider Input: The Basilica of Santa Maria Novella, the Uffizi, the Pitti Palace, the Fontana del Nettuno and the Boboli Gardens are in what city?


Output: firenze santa maria novella railway station