Oven can Bake. you are likely to find Pie in/at/on Oven. Pie is related to Try. Rack is a type of Try. 
Scale is related to Justice. Justice is related to Courtroom. 
Bake <--CapableOf-- Oven <--AtLocation-- Pie <--RelatedTo--> Try <--IsA-- Rack 
Scale <--RelatedTo--> Justice <--RelatedTo--> Courtroom 