House is part of Street. House is related to Lawn. you are likely to find Lawn in/at/on Suburb. Suburb is related to District. 
Pad is a type of Fill. Fill is a type of Work. Work is related to Van. Van is related to Transportation. 
Street <--PartOf-- House <--RelatedTo--> Lawn --AtLocation--> Suburb <--RelatedTo--> District 
Pad --IsA--> Fill --IsA--> Work <--RelatedTo--> Van <--RelatedTo--> Transportation 