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: unyielding, firm, llc, alignment, private

Answer: unyielding


Question: bored, amp, board, fret, truss rod

Answer: bored


Question: luke, make the grade, fair, milky, deal

Answer:
milky