Liability is related to Corporation. Corporation is related to Business. Business is related to Professional. 
Buddy is related to Gold. Gold is related to Piece. Piece is related to Element. 
Liability <--RelatedTo--> Corporation <--RelatedTo--> Business <--RelatedTo--> Professional 
Buddy <--RelatedTo--> Gold <--RelatedTo--> Piece <--RelatedTo--> Element 