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: dump truck, hoist, crane, ostrich, goose

Output: dump truck


Input: Consider Input: spring, run, fall, equinox, autumn

Output: run


Input: Consider Input: bright, well, fine, alert, annoyed


Output: bright