you are likely to find Pilot in/at/on Shower. Shower is related to Rain. Rain is related to Drop. Drop is related to Motion. 
Meal is related to Grace. Grace is a type of State. State is related to District. 
Pilot --AtLocation--> Shower <--RelatedTo--> Rain <--RelatedTo--> Drop <--RelatedTo--> Motion 
Meal <--RelatedTo--> Grace --IsA--> State <--RelatedTo--> District 