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: WHAT SHOULD I "DU"? 
Clue: A philosophical system that seeks to explain all phenomena in terms of 2 distinct principles

Output: dualism


Input: Consider Input: Category: WORLD CAPITALS 
Clue: Ottawa, the capital of Canada, lies in the southeastern part of this province

Output: ontario


Input: Consider Input: Category: FROM B TO C 
Clue: 1829 novelist of "Les Chouans"


Output: balzac