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: replace, fire, retire, air, remove

SOLUTION: air

PROBLEM: blackjack, gin, poker, wine, slapjack

SOLUTION: wine

PROBLEM: down, forward, miserable, ground, downward

SOLUTION:
miserable