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:
fiber, big boned, protein, carbs, fat

Ex Output:
big boned


Ex Input:
stern, frank, weenie, harsh, concise

Ex Output:
weenie


Ex Input:
deck, corner, blocking, call, box

Ex Output:

call