TASK DEFINITION: Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
PROBLEM: Category: computers 
Words: hardware, sort mail, download, program, file

SOLUTION: sort mail

PROBLEM: Category: boxing terminology 
Words: canvas, tko, deck, joker, fight

SOLUTION: joker

PROBLEM: Category: aesthetic characteristic 
Words: even, well, fair, well, flaxen

SOLUTION:
well