Nurse is related to Profession. Architecture is a type of Profession. Architecture is related to Design. Design is related to Interior. 
Ladder is a type of Degree. Degree is a type of Property. 
Nurse <--RelatedTo--> Profession <--IsA-- Architecture <--RelatedTo--> Design <--RelatedTo--> Interior 
Ladder --IsA--> Degree --IsA--> Property 