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: fair, medium, size, light, loyal
answer:
loyal


question:
Category: nutritional value 
Words: fat, protein, vitamin c, fiber, area
answer:
area


question:
Category: emotional status 
Words: emotional upsets, emotional, down, remorseful, ground
answer:

ground