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.

Ex Input:
just, make the grade, well, unjust, fair

Ex Output:
make the grade


Ex Input:
fine, detached, decent, well, beautiful

Ex Output:
beautiful


Ex Input:
format, errands, order office supplies, organize, file

Ex Output:

format