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: widespread 
Words: regular, colonel, typical, ordinary, general

SOLUTION: colonel

PROBLEM: Category: emotional status 
Words: kind, down, sad, backward, emotionalities

SOLUTION: backward

PROBLEM: Category: emotional status 
Words: down, kind, disgusted, shameful, forward

SOLUTION:
forward