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:
danish, fried, lollygag, pastry, fritter

Ex Output:
lollygag


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

Ex Output:
glide


Ex Input:
sunny, trustworthy, deal, endure, fair

Ex Output:

trustworthy