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: errands, file, download, text, folder

SOLUTION: errands

PROBLEM: Category: emotional status 
Words: down, melancholy, below, loveful, kind

SOLUTION: below

PROBLEM: Category: location (proximity) 
Words: closest, close, locked, adjacent, touching

SOLUTION:
locked