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: emotional status 
Words: sliding, down, emotionalities, remorseful, emotional upsets

SOLUTION: sliding

PROBLEM: Category: weather 
Words: windy, stormy, fair, tone, tangle

SOLUTION: tone

PROBLEM: Category: computers 
Words: motherboard, order office supplies, text, software, file

SOLUTION:
order office supplies