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: deck, hearts, crew, bow, head

SOLUTION: hearts

PROBLEM: trustworthy, well, fair, loyal, stormy

SOLUTION: stormy

PROBLEM: combustion, fire, instruct, praise, let go

SOLUTION:
combustion