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: brash, frank, bun, hot dog, grub

SOLUTION: brash

PROBLEM: tko, ring, corner, hearts, deck

SOLUTION: hearts

PROBLEM: fair, dishonest, deal, equitable, trustworthy

SOLUTION:
deal