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.

Input: Consider Input: cute, lust, bambi, swoon, fawn

Output: bambi


Input: Consider Input: replace, fire, retire, air, remove

Output: air


Input: Consider Input: brittleness, protein, bulky, skinny, fat


Output: protein