Pencil is a type of Figure. Figure is a synonym of Enter. Enter is related to Return. 
Saving is related to Conservation. Conservation is a type of Principle. Principle is a type of Value. 
Pencil --IsA--> Figure <--Synonym--> Enter <--RelatedTo--> Return 
Saving <--RelatedTo--> Conservation --IsA--> Principle --IsA--> Value 