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: deck, check, joker, board, bridge

Output: bridge


Input: Consider Input: size, equitable, fair, alright, fine

Output: size


Input: Consider Input: dance hall, club, burger, picnic, outing


Output: burger