Banana is a type of Dessert. Dessert is related to Chocolate. 
Chop is related to Pork. you are likely to find Pork in/at/on Refrigerator. you are likely to find Refrigerator in/at/on Garage. you are likely to find Boat in/at/on Garage. 
Banana --IsA--> Dessert <--RelatedTo--> Chocolate 
Chop <--RelatedTo--> Pork --AtLocation--> Refrigerator --AtLocation--> Garage <--AtLocation-- Boat 