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: finger, heel, foot, ounce, elbow

SOLUTION: ounce

PROBLEM: warm, optimist, hot, relaxing, cool

SOLUTION: optimist

PROBLEM: brownie, cookies, fudge, fix, cupcake

SOLUTION:
fix