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: cool, unruffled, funny, chill, ethical

SOLUTION: chill

PROBLEM: ok, wispy, jail, prime, fine

SOLUTION: ok

PROBLEM: canvas, tko, deck, joker, fight

SOLUTION:
joker