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 is the current Australian prime minister ?

Output: australia


Input: Consider Input: Abracadabra (1982) and The Joker (1990) were big hits for which group?


Output: the joker