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: blue, current, drink, water, prompt

SOLUTION: prompt

PROBLEM: bike, beetle, leap, ant, fly

SOLUTION: bike

PROBLEM: coating, spyhole, dish, glass, metal

SOLUTION:
dish