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: deck, dock, galley, joker, hull

SOLUTION: joker

PROBLEM: fat, calories, thin, salt, vitamin c

SOLUTION: thin

PROBLEM: bike, fish, fly, wave, car

SOLUTION:
fish