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: recruit, replace, sack, heat, fire

SOLUTION: heat

PROBLEM: ghostly, fair, medium, cold, well

SOLUTION: cold

PROBLEM: croquet, patty, sweet roll, dally, fritter

SOLUTION:
dally