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: SOUTH OF THE BORDER 
Clue: Known as J.C., this boxing champion won titles in 3 weight divisions & more than 100 pro fights

Output: julio cesar chavez


Input: Consider Input: Category: FROM HERE TO MATERNITY 
Clue: Lisa Marie Presley


Output: priscilla presley