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: clime, level, cool, tone, fair

SOLUTION: clime

PROBLEM: fawn, social, cub, kid, colt

SOLUTION: social

PROBLEM: well, deal, fair, ghostly, light

SOLUTION:
deal