Banker is a type of Person. Person is related to Citizen. Citizen is derived from City. 
Law is related to Written. Written is related to Card. Card can be used for Identification. 
Banker --IsA--> Person <--RelatedTo--> Citizen --DerivedFrom--> City 
Law <--RelatedTo--> Written <--RelatedTo--> Card --UsedFor--> Identification 