Practical is related to Concrete. Concrete is related to Material. Material is related to Property. Property is related to Patent. 
Interior is related to Mind. Mind is related to Psychologist. 
Practical <--RelatedTo--> Concrete <--RelatedTo--> Material <--RelatedTo--> Property <--RelatedTo--> Patent 
Interior <--RelatedTo--> Mind <--RelatedTo--> Psychologist 