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, grasshopper, walk, waggle, train

SOLUTION: train

PROBLEM: luke, fair, mild, tangle, texture

SOLUTION: texture

PROBLEM: goose, heron, crane, duck, davit

SOLUTION:
davit