Angel is a type of Patron. Patron is a type of Owner. 
Lamp is related to Sheep. Sheep is related to Female. Female is related to Daughter. Daughter is related to Doubt. 
Angel --IsA--> Patron --IsA--> Owner 
Lamp <--RelatedTo--> Sheep <--RelatedTo--> Female <--RelatedTo--> Daughter <--RelatedTo--> Doubt 