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: hire, flame, pay, fire, ban

Output: flame


Input: Consider Input: deck, check, joker, board, bridge

Output: bridge


Input: Consider Input: ground, flame, water, fire, scold


Output: scold