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: well, milky, variety, tone, fair
answer:
well


question:
Category: moral characteristic 
Words: windy, fair, just, ok, loyal
answer:
windy


question:
Category: widespread 
Words: ubiquitous, general, basic, major, popular
answer:

major