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: goodies, fortitude, frank, pork, weenie

SOLUTION: fortitude

PROBLEM: fly, swim, car, beetle, grasshopper

SOLUTION: car

PROBLEM: let go, instruct, sack, fire, earth

SOLUTION:
earth