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: fat, sugar, ugly, chunky, angular momentum

SOLUTION: sugar

PROBLEM: hire, flame, pay, fire, ban

SOLUTION: flame

PROBLEM: strap lock, worried, emotional state, fret, crying

SOLUTION:
strap lock