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: unwarranted, fudge, pudding, lie, unlicensed

SOLUTION: pudding

PROBLEM: invent, unlicensed, brownies, lie, fudge

SOLUTION: brownies

PROBLEM: inferno, recruit, fire, empower, retire

SOLUTION:
inferno