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: physical property 
Words: large, fat, capacitance, calories, ugly
answer:
calories


question:
Category: aesthetic characteristic 
Words: medium, just, light, ghostly, fair
answer:
just


question:
Category: emotional status 
Words: opposite of up, emotional state, loveful, melancholy, down
answer:

opposite of up