Bat is related to Toy. Toy is related to Childhood. Childhood is a type of Single. Single is related to Miss. 
Reason is a type of Faculty. Occasion is a type of Reason. 
Bat <--RelatedTo--> Toy <--RelatedTo--> Childhood --IsA--> Single <--RelatedTo--> Miss 
Faculty <--IsA-- Reason <--IsA-- Occasion 