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, obese, fat, chunky, fiber
answer:
fiber


question:
Category: direction 
Words: right, descending, down, opposite of up, emotional supports
answer:
emotional supports


question:
Category: type of sandwich 
Words: open-faced, dance hall, burger, club, hamburger
answer:

dance hall