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: And Then There Were None?

Output: and then there were none


Input: Consider Input: Which group had number 1 hits in the 1980's with It's a sin, Heart and  Always on my mind?


Output: always on my mind