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: boxing terminology 
Words: caution, hearts, canvas, deck, fight
answer:
hearts


question:
Category: moral characteristic 
Words: stern, frank, brash, loyalty, goodies
answer:
goodies


question:
Category: chocolate food 
Words: rich, tart, fudge, pie, falsification
answer:

falsification