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.
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Question: summer, roll, plummet, fall, exercise

Answer: summer


Question: fine, level, pretty, mad, detailed

Answer: mad


Question: fudge, brownie, unlicensed, cake, pudding

Answer:
unlicensed