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: tide, current, flow, detests, whirlpool

Answer: detests


Question: fat, calories, thin, salt, vitamin c

Answer: thin


Question: dumpling, pastry, dessert, fritter, waste away

Answer:
waste away