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:
streamline, sustainability, private, firm, stiff
answer:
stiff

question:
glove, ring, deck, box, bow
answer:
bow

question:
knifer, plate, spyhole, knife, glass
answer:
spyhole