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: condominium, duplex, studio, flat, level

Output: level


Input: Consider Input: fish, whale, hiking, goat, dog


Output: hiking