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

Input: Consider Input: In which war did the Sack of Badajoz takeplace?

Output: siege of badajoz


Input: Consider Input: Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?

Output: the card players


Input: Consider Input: Created by Alex Raymond, this futuristic character first appeared in 1934. Who is he?


Output: alex raymond