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: board, caution, fight, punch, deck

SOLUTION: board

PROBLEM: prison, fine, there, handsome, high quality

SOLUTION: prison

PROBLEM: down, remorseful, sliding, melancholy, emotionalities

SOLUTION:
sliding