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: nutritional value 
Words: vitamin c, salt, sugar, fat, big boned
answer:
big boned


question:
Category: physical property 
Words: obese, fat, vitamin c, heavy, thin
answer:
vitamin c


question:
Category: emotional display 
Words: swoon, paw, social, cub, fawn
answer:

cub