instruction:
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.
question:
Category: ALL ABOUT PRESIDENTS 
Clue: I might worry about hanging around with him--he was nicknamed the "Hangman of Buffalo"
answer:
grover cleveland


question:
Category: SUDDENLY SUDAN 
Clue: In 1995 this former U.S. president oversaw a ceasefire in Sudan to allow relief workers into war-torn areas
answer:
jimmy carter


question:
Category: CONSTELLATIONS 
Clue: Dutch astronomer Petrus Plancius named Columba for the dove sent out by this Biblical character
answer:

noah