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.

Category: emotional status 
Words: downward, unhappy, down, shameful, disgusted
downward

Category: shady activities 
Words: cookies, wrongful, fudge, smuggled, smear
cookies

Category: shady activities 
Words: fudge, rich, fix, fib, banned

rich