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: bike, beetle, leap, ant, fly

SOLUTION: bike

PROBLEM: goodies, precise, blunt, brash, frank

SOLUTION:
goodies