Bat is a type of Weapon. Bat is related to Skin. 
Account is related to Story. Story is related to Book. Legend is a type of Book. Legend is a synonym of Phenomenon. 
Weapon <--IsA-- Bat <--RelatedTo--> Skin 
Account <--RelatedTo--> Story <--RelatedTo--> Book <--IsA-- Legend <--Synonym--> Phenomenon 