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: acceptable, fine, neat, relaxed, annoyed

Answer: neat


Question: Category: food 
Words: provision, frank, hot dog, goodies, harsh

Answer: harsh


Question: Category: animals 
Words: pig, lion, cat, duck, bow

Answer:
bow