Opposition is related to Question. Pump is a type of Question. you are likely to find Pump in/at/on Boat. 
Chinese is a type of Language. Language is related to Symbol. Symbol is related to Sign. 
Opposition <--RelatedTo--> Question <--IsA-- Pump --AtLocation--> Boat 
Chinese --IsA--> Language <--RelatedTo--> Symbol <--RelatedTo--> Sign 