Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

[EX Q]: deck, dock, galley, joker, hull
[EX A]: joker

[EX Q]: fax, file, format, image, document
[EX A]: fax

[EX Q]: content, food, program, joyful, books
[EX A]:
joyful