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: ocean 
Words: late, wave, blue, current, drink

Output: late


Input: Consider Input: Category: bird 
Words: crane, pelican, egret, hummingbird, upraise

Output: upraise


Input: Consider Input: Category: nutritional value 
Words: salt, heavy, sugar, skinny, fat


Output: skinny