Helicopter is related to Pilot. you are likely to find Pilot in/at/on Shower. Shower is related to Bathroom. 
Municipal is related to District. District is related to Suburb. you are likely to find Driveway in/at/on Suburb. 
Helicopter <--RelatedTo--> Pilot --AtLocation--> Shower <--RelatedTo--> Bathroom 
Municipal <--RelatedTo--> District <--RelatedTo--> Suburb <--AtLocation-- Driveway 