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: mode of transportation 
Words: dive, fly, soar, jog, wave

Answer: dive


Question: Category: aesthetic characteristic 
Words: size, alright, even, variety, fair

Answer: alright


Question: Category: police punishment 
Words: flyaway, happy, fine, ticket, custody

Answer:
happy