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: hull, galley, deck, lifeline, tko

SOLUTION: tko

PROBLEM: camp, fish, iguana, hike, kayak

SOLUTION: iguana

PROBLEM: townhome, mountain, studio, flat, apartment

SOLUTION:
mountain