Rip is a type of Tear. Tear is related to Break. 
Rural is related to Urban. Urban is related to Type. Type is related to Duty. Duty is related to Guard. 
Rip --IsA--> Tear <--RelatedTo--> Break 
Rural <--RelatedTo--> Urban <--RelatedTo--> Type <--RelatedTo--> Duty <--RelatedTo--> Guard 