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: sustainability, firm, amalgamated, combined, rigged

SOLUTION: rigged

PROBLEM: cow, fish, dog, sea turtle, hunt

SOLUTION: hunt

PROBLEM: neat, penalty, fine, high quality, hot

SOLUTION:
penalty