Buyer is related to Owner. Owner is related to Control. Control is related to Used. 
Marry is related to Union. Union is related to Flag. Flag is related to Symbolic. 
Buyer <--RelatedTo--> Owner <--RelatedTo--> Control <--RelatedTo--> Used 
Marry <--RelatedTo--> Union <--RelatedTo--> Flag <--RelatedTo--> Symbolic 