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: pie, fried, misuse, fritter, cake

Output: misuse


Input: Consider Input: fair, raining, trustworthy, endure, 70

Output: trustworthy


Input: Consider Input: convention, club, discothek, hamburger, dance hall


Output: hamburger