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: computers 
Words: download, file, order office supplies, document, motherboard

Answer: order office supplies


Question: Category: window material 
Words: panel, translucent fabric, spatula, metal, glass

Answer: spatula


Question: Category: aesthetic characteristic 
Words: neat, exquisite, wispy, classy, fine

Answer:
wispy