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: animals 
Words: duck, jog, cat, pig, mallet

Answer: jog


Question: Category: aesthetic characteristic 
Words: fine, ticket, dull, neat, detailed

Answer: ticket


Question: Category: moral characteristic 
Words: dishonest, ok, fair, mild, fine

Answer:
mild