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: shareholders, alignment, firm, sustainability, solid

SOLUTION: solid

PROBLEM: string, frustrated, chord, output cord, fret

SOLUTION: frustrated

PROBLEM: fly, dangle, bee, jump, flap

SOLUTION:
flap