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


question:
deck, crew, fight, knockout, tko
answer:
crew


question:
deck, dock, joker, suits, hearts
answer:

dock