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:
ecstatic, specialty, substance, content, merchandise
answer:
ecstatic


question:
cake, fudge, rich, invent, cream
answer:
invent


question:
condominium, flat, valley, even, hill
answer:

condominium