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: brittleness, protein, bulky, skinny, fat
answer:
protein


question:
Category: baby animals 
Words: lust, kitten, deer, bambi, fawn
answer:
lust


question:
Category: emotional display 
Words: identity, fawn, follow, woods, cute
answer:

woods