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: truss rod, fret, neck, bored, strap lock

SOLUTION: bored

PROBLEM: Category: aesthetic characteristic 
Words: size, alright, even, variety, fair

SOLUTION: alright

PROBLEM: Category: chocolate food 
Words: cream, unlicensed, molasses, truffles, fudge

SOLUTION:
unlicensed