Stem is related to Small. Small is the opposite of Huge. Huge is related to Ocean. 
Prosecutor is related to Figure. Figure is related to Drawing. Drawing is a type of Representation. 
Stem <--RelatedTo--> Small <--Antonym--> Huge <--RelatedTo--> Ocean 
Prosecutor <--RelatedTo--> Figure <--RelatedTo--> Drawing --IsA--> Representation 