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:
emotional state, opposite of up, unhappy, down, miserable
answer:
opposite of up


question:
dull, annoyed, classy, fine, attractive
answer:

annoyed