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: direction 
Words: up, down, sliding, shameful, right
answer:
shameful


question:
Category: food 
Words: blunt, entree, frank, wienerwurst, bun
answer:
blunt


question:
Category: elements 
Words: scold, ice, fire, air, ground
answer:

scold