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: well, clime, milky, fair, size

SOLUTION: clime

PROBLEM: wine, rum, bridge, tonic, gin

SOLUTION: bridge

PROBLEM: down, sad, ground, lower, falling

SOLUTION:
sad