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: weather 
Words: brisk, fair, sunny, cold, balanced

SOLUTION: balanced

PROBLEM: Category: emotional status 
Words: fine, wispy, alert, calm, relaxed

SOLUTION: wispy

PROBLEM: Category: computers 
Words: folder, document, file, image, correspondence

SOLUTION:
correspondence