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: neck, strap lock, fret, angry, notes

SOLUTION: angry

PROBLEM: Category: social gathering 
Words: picnic, french toast, clan, club, bar

SOLUTION: french toast

PROBLEM: Category: aesthetic characteristic 
Words: hot, beautiful, fine, classy, flyaway

SOLUTION:
flyaway