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: emotional status 
Words: sliding, down, emotionalities, remorseful, emotional upsets
answer:
sliding


question:
Category: physical property 
Words: fat, vitamin c, area, brittleness, absorption
answer:
vitamin c


question:
Category: chocolate food 
Words: brownies, falsification, fudge, rich, heavy
answer:

falsification