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: angry, joyful, tools, fearful, content

Answer: tools


Question: dally, misuse, fritter, whittle, patty

Answer: patty


Question: crying, anxious, fret, frustrated, board

Answer:
board