Urban is a different concept from Rural. Rural is related to People. People is related to Popular. Popular is related to Known. 
Chief is related to Policeman. Policeman is related to Police. 
Urban <--DistinctFrom--> Rural <--RelatedTo--> People <--RelatedTo--> Popular <--RelatedTo--> Known 
Chief <--RelatedTo--> Policeman <--RelatedTo--> Police 