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: fly, flutter, bus, drive, fish

SOLUTION: fish

PROBLEM: sugars, fat, protein, skinny, iron

SOLUTION: skinny

PROBLEM: endure, clime, fair, level, luke

SOLUTION:
level