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: crane, winch, mallet, winch, flamingo

SOLUTION: winch

PROBLEM: fly, grasshopper, walk, waggle, train

SOLUTION: train

PROBLEM: antling, doe, fawn, buck, lust

SOLUTION:
lust