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: emotional supports, shameful, downward, loveful, down

Output: downward


Input: Consider Input: group, blt, french toast, hamburger, club

Output: group


Input: Consider Input: unprejudiced, color, even, variety, fair


Output: unprejudiced