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: doughnut, fritter, fried, pie, seperate

Output: seperate


Input: Consider Input: file, prepare, document, space, folder

Output: prepare


Input: Consider Input: typical, general, common, regular, cadet


Output: cadet