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: annoyed, fine, exquisite, alert, ok

Output: exquisite


Input: Consider Input: even, light, dishonest, variety, fair

Output: dishonest


Input: Consider Input: document, hardware, file, space, fax


Output: fax