Cry is a type of Want. Bay is a type of Cry. Bay can be used for Fishing. 
Supervisor is a type of Person. you are likely to find Person in/at/on Family. Family is a synonym of Category. Category is related to Metal. 
Want <--IsA-- Cry <--IsA-- Bay --UsedFor--> Fishing 
Supervisor --IsA--> Person --AtLocation--> Family <--Synonym--> Category <--RelatedTo--> Metal 