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: THE CIVIL WAR 
Clue: A century before the U.S.S. Nautilus, the Confederacy had 2 of these new ships, the Pioneer  & the Hunley

Output: submarines


Input: Consider Input: Category: EMPERORS 
Clue: After becoming emperor of Ethiopia in 1930, he gave the country its first written constitution

Output: haile selassie


Input: Consider Input: Category: _____ THE _____ 
Clue: Street performers collect money by doing this, literally & figuratively


Output: pass the hat