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: guitar part 
Words: fret, notes, emotional upsets, output cord, truss rod

SOLUTION: emotional upsets

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

SOLUTION: sliding

PROBLEM: Category: moral characteristic 
Words: impartial, trustworthy, level, fair, equitable

SOLUTION:
level