instruction:
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.
question:
apartment, round, valley, flat, even
answer:
valley


question:
galley, head, suits, deck, dock
answer:
suits


question:
cub, lust, cajole, fawn, follow
answer:

cub