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: moral characteristic 
Words: milky, fair, ok, loyal, unprejudiced

Answer: milky


Question: Category: shady activities 
Words: wrongful, fudge, unwarranted, fix, cake

Answer: cake


Question: Category: aesthetic characteristic 
Words: fair, size, well, ghostly, impartial

Answer:
impartial