Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
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Question: Category: guitar part 
Words: fret, worried, chord, notes, headstock

Answer: worried


Question: Category: weather 
Words: sunny, loyal, tangle, fair, raining

Answer: loyal


Question: Category: moral characteristic 
Words: dishonest, honorable, milky, trustworthy, fair

Answer:
milky