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: fire, instruct, inferno, retire, scold

SOLUTION: inferno

PROBLEM: replace, fire, retire, air, remove

SOLUTION: air

PROBLEM: windlass, crane, dump truck, pelican, digger

SOLUTION:
pelican