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: police punishment 
Words: comfortable, money, fine, prison, jail time
answer:
comfortable


question:
Category: physical property 
Words: protein, pasty, fat, thin, angular momentum
answer:
protein


question:
Category: direction 
Words: lower, backward, down, falling, shameful
answer:

shameful