TASK DEFINITION: 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.
PROBLEM: deal, fair, endure, windy, ghostly

SOLUTION: ghostly

PROBLEM: galley, head, suits, deck, dock

SOLUTION: suits

PROBLEM: cub, expression, fawn, doe, kid

SOLUTION:
expression