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: boats 
Words: deck, call, galley, bridge, stern

Answer: call


Question: Category: secretary duty 
Words: errands, schedule appointments, image, make coffee, file

Answer: image


Question: Category: emotional status 
Words: crying, fret, emotional upsets, emotional, string

Answer:
string