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: tone, just, equitable, fair, unprejudiced

Output: tone


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

Output: run


Input: Consider Input: doughnut, blow, goodbye, dally, fritter


Output: doughnut