Artist is related to Guy. Guy is related to Chief. Chief is related to Chef. 
Line is a type of Figure. Figure is a type of Shape. Shape is related to Hill. Hill is related to Height. 
Artist <--RelatedTo--> Guy <--RelatedTo--> Chief <--RelatedTo--> Chef 
Line --IsA--> Figure --IsA--> Shape <--RelatedTo--> Hill <--RelatedTo--> Height 