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: even, size, fair, level, ok

SOLUTION: ok

PROBLEM: fire, instruct, inferno, retire, scold

SOLUTION: inferno

PROBLEM: club, submarine, lettuce, dagwood, dance hall

SOLUTION:
dance hall