instruction:
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.
question:
Category: aesthetic characteristic 
Words: luke, fair, variety, tone, well
answer:
luke


question:
Category: computers 
Words: download, file, order office supplies, document, motherboard
answer:
order office supplies


question:
Category: mode of transportation 
Words: swim, jog, train, fly, car
answer:

swim