Ill is related to Feeling. Feeling is a type of State. Disorder is a type of State. 
Heart is related to Steak. Steak is a type of Food. Food is a type of Fuel. Fuel is related to Provider. 
Ill <--RelatedTo--> Feeling --IsA--> State <--IsA-- Disorder 
Heart <--RelatedTo--> Steak --IsA--> Food --IsA--> Fuel <--RelatedTo--> Provider 