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: loyal, medium, ghostly, tone, fair
answer:
loyal


question:
Category: bird 
Words: goose, hoist, neck, swallow, crane
answer:
hoist


question:
Category: poker 
Words: fold, blind, deck, draw, box
answer:

box