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:
frank, bold, brash, precise, pork

Ex Output:
pork


Ex Input:
leap, bee, glide, fly, eagle

Ex Output:
glide


Ex Input:
pasty, sugars, large, fat, capacitance

Ex Output:

sugars