Dump is related to Waste. Garbage is a type of Waste. you are likely to find Refuse in/at/on Garbage. Refuse is related to Answer. 
Community is a type of Ownership. Ownership is related to Possession. 
Dump <--RelatedTo--> Waste <--IsA-- Garbage <--AtLocation-- Refuse <--RelatedTo--> Answer 
Community --IsA--> Ownership <--RelatedTo--> Possession 