You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Input: Consider Input: Category: FROM B TO C 
Clue: A group of nations acting together, like the old Soviet one

Output: bloc


Input: Consider Input: Category: OPERAS BY CONTINENT 
Clue: "Aida "

Output: africa


Input: Consider Input: Category: B.C. PEOPLE 
Clue: The Second Punic War ended in 201 B.C when this Carthaginian general made peace with Rome


Output: hannibal