TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: fret, worried, chord, notes, headstock

SOLUTION: worried

PROBLEM: pack, hearts, deck, queen, rudder

SOLUTION: rudder

PROBLEM: neat, there, fine, bright, suspension

SOLUTION:
suspension