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: jog, fly, swim, run, drive

Output: run


Input: Consider Input: fritter, dunker, patty, waste, danish

Output: waste


Input: Consider Input: cool, fire, water, flame, retire


Output: retire