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: temperature 
Words: cold, cool, icy, assured, mild

Answer: assured


Question: Category: secretary duty 
Words: organize, support, text, sort mail, file

Answer: text


Question: Category: physical activity 
Words: dodge, cow, crouch, duck, get down

Answer:
cow