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: horse, trap, tiger, sea turtle, fish

SOLUTION: trap

PROBLEM: clothing, content, service, substance, ecstatic

SOLUTION: ecstatic

PROBLEM: windlass, crane, hoist, pelican, davit

SOLUTION:
pelican