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: backward, south, down, forward, shameful

SOLUTION: shameful

PROBLEM: acceptable, mad, fine, comfortable, probation

SOLUTION: probation

PROBLEM: discothek, outing, team, doorstep, club

SOLUTION:
doorstep