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: run, bats, fly, flutter, spider

SOLUTION: flutter

PROBLEM: blocking, corner, deck, fight, hearts

SOLUTION: hearts

PROBLEM: level, impartial, fair, tone, cool

SOLUTION:
impartial