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: moral characteristic 
Words: concise, brash, integrity, cheese, frank

SOLUTION: cheese

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

SOLUTION: emotional upsets

PROBLEM: Category: moral characteristic 
Words: tangle, fair, impartial, dishonest, balanced

SOLUTION:
tangle