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: danish, fried, lollygag, pastry, fritter

Output: lollygag


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

Output: calcium


Input: Consider Input: fair, unprejudiced, raining, windy, endure


Output: unprejudiced