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: emotional status 
Words: down, emotional state, emotional supports, miserable, falling

Answer: falling


Question: Category: secretary duty 
Words: file, errands, type, folder, order office supplies

Answer: folder


Question: Category: guitar part 
Words: fret, worried, jack, neck, inlays

Answer:
worried