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: relaxed, warm, assured, level, cool

SOLUTION: warm

PROBLEM: blow, waste away, fritter, dally, croquet

SOLUTION: croquet

PROBLEM: ghostly, medium, fair, color, balanced

SOLUTION:
balanced