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: prime, penalty, fine, mad, arrest
answer:
mad


question:
Category: weather 
Words: windy, stormy, fair, tone, tangle
answer:
tone


question:
Category: boxing terminology 
Words: draw, canvas, tko, caution, deck
answer:

draw