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: unyielding, concerted, firm, combined, united

SOLUTION: unyielding

PROBLEM: jog, duck, ostrich, pig, horse

SOLUTION:
jog