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: mallet, winch, parrot, winch, crane

SOLUTION: winch

PROBLEM: goose, cow, bend, lion, duck

SOLUTION: bend

PROBLEM: up to the moment, late, course, current, delayed

SOLUTION:
course