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:
neat, alright, beautiful, level, fine

Ex Output:
alright


Ex Input:
vitamin c, carbs, fiber, fat, thin

Ex Output:
thin


Ex Input:
fried, spend, whittle, waste, fritter

Ex Output:

fried