Scream is related to Horror. Horror is the opposite of Comedy. 
Ad is related to Average. Average is related to Ridge. Bank is a type of Ridge. Bank is related to Workplace. 
Scream <--RelatedTo--> Horror <--Antonym--> Comedy 
Ad <--RelatedTo--> Average <--RelatedTo--> Ridge <--IsA-- Bank <--RelatedTo--> Workplace 