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: close, nearest, touching, on top of, barred

Output: barred


Input: Consider Input: skin, seperate, sweet roll, danish, fritter


Output: seperate