Spring is a type of River. River is related to Sea. Sea is related to Shore. Coast is a type of Shore. 
Person is related to Ego. Ego is related to Perception. Perception is related to Far. 
Spring --IsA--> River <--RelatedTo--> Sea <--RelatedTo--> Shore <--IsA-- Coast 
Person <--RelatedTo--> Ego <--RelatedTo--> Perception <--RelatedTo--> Far 