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: cow, fish, dog, sea turtle, hunt

Output: hunt


Input: Consider Input: doughnut, fritter, fried, pie, seperate

Output: seperate


Input: Consider Input: blind, call, board, deck, rudder


Output: rudder