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: fret, notes, emotional state, bored, emotional upsets

Answer: notes


Question: beautiful, classy, dull, comfortable, fine

Answer: comfortable


Question: crane, concrete pourer, goose, pelican, neck

Answer:
concrete pourer