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: heat, hire, burn, air, fire

SOLUTION: hire

PROBLEM: glass, acrylic, wood, metal, plate

SOLUTION: plate

PROBLEM: decent, fair, loyal, deal, unprejudiced

SOLUTION:
deal