TASK DEFINITION: Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
PROBLEM: Category: moral characteristic 
Words: light, unprejudiced, honorable, fair, unjust

SOLUTION: light

PROBLEM: Category: direction 
Words: down, backward, up, downward, shameful

SOLUTION: shameful

PROBLEM: Category: police punishment 
Words: probation, happy, jail, fine, wispy

SOLUTION:
happy