Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Input: Consider Input: Category: fried food 
Words: apple, whittle, dumpling, fritter, pie

Output: whittle


Input: Consider Input: Category: poker 
Words: chips, punch, deck, draw, queen

Output: punch


Input: Consider Input: Category: direction 
Words: descending, up, south, sad, down


Output: sad