Delivery is derived from Deliver. Drop is a type of Deliver. 
Sight is related to Dream. Dream is related to Action. Ban is a type of Action. Ban is the opposite of Permit. 
Delivery --DerivedFrom--> Deliver <--IsA-- Drop 
Sight <--RelatedTo--> Dream <--RelatedTo--> Action <--IsA-- Ban <--Antonym--> Permit 