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:
fudge, molasses, cream, tart, banned

Ex Output:
banned


Ex Input:
angular momentum, fat, calcium, brittleness, ugly

Ex Output:
calcium


Ex Input:
well, make the grade, fair, loyal, dishonest

Ex Output:

make the grade