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

Input: Consider Input: sugars, obese, big boned, fat, pasty

Output: sugars


Input: Consider Input: down, lower, opposite of up, ground, remorseful

Output: remorseful


Input: Consider Input: make the grade, deal, sunny, ghostly, fair


Output: ghostly