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: bird 
Words: dump truck, tackle, crane, hoist, davit
dump truck

Category: shady activities 
Words: loosen, smuggled, chocolate, wrongful, fudge
chocolate

Category: moral characteristic 
Words: milky, fair, ok, loyal, unprejudiced

milky