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: 70, variety, color, fair, light

Answer: 70


Question: Category: direction 
Words: up, down, sliding, shameful, right

Answer: shameful


Question: Category: boats 
Words: bridge, bow, chips, gunwale, deck

Answer:
chips