Glory is related to Award. Letter is a type of Award. Letter is related to Drawing. 
Landmark is related to Statue. Statue is related to Sculpture. Mobile is a type of Sculpture. 
Glory <--RelatedTo--> Award <--IsA-- Letter <--RelatedTo--> Drawing 
Landmark <--RelatedTo--> Statue <--RelatedTo--> Sculpture <--IsA-- Mobile 