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: body part 
Words: foot, knee, eye, leg, ounce

Output: ounce


Input: Consider Input: Category: bird 
Words: davit, egret, heron, crane, swift

Output: davit


Input: Consider Input: Category: emotional status 
Words: jail time, happy, fine, content, detached


Output: jail time