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: signal, sea, current, drink, belated

SOLUTION: belated

PROBLEM: captain, regular, universal, boring, general

SOLUTION:
captain