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: trustworthy, decent, fair, tone, ok

Answer: tone


Question: file, errands, type, folder, order office supplies

Answer: folder


Question: equinox, summer, plummet, leaves, fall

Answer:
plummet