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: ok, wispy, jail, prime, fine

Output: ok


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

Output: sugars


Input: Consider Input: bulky, skinny, carbs, absorption, fat


Output: carbs