Master is related to Control. Control is a synonym of Hold. Hold is related to Possession. 
Park is related to Municipal. Municipal is related to District. District is related to Town. you are likely to find Channel in/at/on Town. 
Master <--RelatedTo--> Control <--Synonym--> Hold <--RelatedTo--> Possession 
Park <--RelatedTo--> Municipal <--RelatedTo--> District <--RelatedTo--> Town <--AtLocation-- Channel 