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: melancholy, descending, emotionalities, emotional, down

SOLUTION: descending

PROBLEM: fine, prime, arrest, hot, jail time

SOLUTION: hot

PROBLEM: arm, foot, ankle, finger, centimeter

SOLUTION:
centimeter