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: lollygag, cake, misuse, goodbye, fritter

SOLUTION: cake

PROBLEM: hot, optimist, cool, calm, relaxed

SOLUTION: hot

PROBLEM: cool, tone, fair, variety, just

SOLUTION:
just