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:
fine, wispy, alright, mad, well

Ex Output:
wispy


Ex Input:
sausage, hot dog, concise, frank, weenie

Ex Output:
concise


Ex Input:
carbs, sugars, heavy, fat, sugar

Ex Output:

heavy