Visible is a different concept from Invisible. Invisible is related to Ghost. Ghost is created by Death. Death is related to Hang. 
Horse is related to Draft. Draft is a type of Drink. 
Visible <--DistinctFrom--> Invisible <--RelatedTo--> Ghost --CreatedBy--> Death <--RelatedTo--> Hang 
Horse <--RelatedTo--> Draft --IsA--> Drink 