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: deck, corner, blocking, call, box
answer:
call


question:
Category: nutritional value 
Words: iron, heavy, vitamin c, fat, brittleness
answer:
brittleness


question:
Category: ocean 
Words: current, water, detests, blue, jetstream
answer:

detests