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:
deck, punch, blocking, suits, canvas

Ex Output:
suits


Ex Input:
brash, frank, bun, hot dog, grub

Ex Output:
brash


Ex Input:
honesty, frank, matter of fact, fortitude, goodies

Ex Output:

goodies