Mother is related to Dad. Dad is a type of Father. Father is related to Bless. Bless is related to Approval. 
Site is a type of Position. Site is related to Rapid. 
Mother <--RelatedTo--> Dad --IsA--> Father <--RelatedTo--> Bless <--RelatedTo--> Approval 
Position <--IsA-- Site <--RelatedTo--> Rapid 