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: cool, trustworthy, milky, fair, well
answer:
trustworthy


question:
Category: mode of transportation 
Words: swim, bike, soar, fly, jump
answer:
jump


question:
Category: food 
Words: frank, entree, concise, vittles, meat
answer:

concise