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: poker 
Words: ring, deck, blind, cards, joker
answer:
ring


question:
Category: computers 
Words: image, format, reception, file, folder
answer:
reception


question:
Category: boxing terminology 
Words: corner, ring, crew, caution, deck
answer:

crew