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: cupcake, fudge, tart, smear, cream

SOLUTION: smear

PROBLEM: tackle, davit, swift, crane, steam roller

SOLUTION: steam roller

PROBLEM: eye, pound, elbow, foot, head

SOLUTION:
pound