Monster is related to Beast. Beast is the opposite of Beauty. Beauty is related to Pretty. 
Administrator is related to King. King is related to Great. Great is the opposite of Ordinary. Ordinary is related to Simple. 
Monster <--RelatedTo--> Beast <--Antonym--> Beauty <--RelatedTo--> Pretty 
Administrator <--RelatedTo--> King <--RelatedTo--> Great <--Antonym--> Ordinary <--RelatedTo--> Simple 