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: physical property 
Words: bulky, angular momentum, pasty, fat, big
big

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

Category: store status 
Words: close, barred, out of service, near, slow

near

