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: camp, fish, iguana, hike, kayak

SOLUTION: iguana

PROBLEM: hoist, neck, concrete pourer, hummingbird, crane

SOLUTION: concrete pourer

PROBLEM: replace, sack, fire, blaze, instruct

SOLUTION:
blaze