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: banned, fudge, invent, cupcake, loosen

SOLUTION: cupcake

PROBLEM: geese, crouch, duck, elephant, mallet

SOLUTION: crouch

PROBLEM: fritter, pie, dally, blow, spend

SOLUTION:
pie