Rule is related to Organization. Organization is a type of Structure. Porch is a type of Structure. 
Free is a synonym of Deliver. Deliver is related to Home. you are likely to find Home in/at/on City. City is related to Civilization. 
Rule <--RelatedTo--> Organization --IsA--> Structure <--IsA-- Porch 
Free <--Synonym--> Deliver <--RelatedTo--> Home --AtLocation--> City <--RelatedTo--> Civilization 