Viewer is derived from View. View is related to Line. Line is a synonym of Cable. 
Lead is a type of Position. Lead is a type of Score. Score is a type of Debt. Debt is related to Bankruptcy. 
Viewer --DerivedFrom--> View <--RelatedTo--> Line <--Synonym--> Cable 
Position <--IsA-- Lead --IsA--> Score --IsA--> Debt <--RelatedTo--> Bankruptcy 