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: spring, run, fall, equinox, autumn

Output: run


Input: Consider Input: crane, ostrich, davit, dump truck, pelican

Output: dump truck


Input: Consider Input: antling, fawn, kitten, follow, colt


Output: follow