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: emotional display 
Words: fawn, antling, lust, suppressed, love
answer:
antling


question:
Category: poker 
Words: suits, board, deck, pack, box
answer:

box