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

Answer: ticket


Question: Category: physical activity 
Words: summer, roll, plummet, fall, exercise

Answer: summer


Question: Category: moral characteristic 
Words: medium, impartial, fair, balanced, loyal

Answer:
medium