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: chocolate food 
Words: smuggled, brownie, fudge, pudding, truffles
answer:
smuggled


question:
Category: consumer product 
Words: merchandise, happy, thing, content, service
answer:
happy


question:
Category: consumer product 
Words: tools, disappointed, thing, content, file
answer:

disappointed