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: deck, caution, suits, queen, check

Answer: caution


Question: pastry, dunker, fritter, blow, cake

Answer: blow


Question: loosen, cupcake, tart, pudding, fudge

Answer:
loosen