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: probation, jail, arrest, fine, beautiful
answer:
beautiful


question:
Category: chocolate food 
Words: rich, chocolate, fudge, chocolate cake, unwarranted
answer:
unwarranted


question:
Category: guitar part 
Words: notes, bored, jack, fret, chord
answer:

bored