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: nervous, bored, emotional supports, chord, fret

Answer: chord


Question: icy, hot, cool, refreshing, relaxed

Answer: relaxed


Question: open, on top of, locked, not open, close

Answer:
on top of