Capital is related to Money. Money is related to Register. File is a type of Register. File is related to Surface. 
High is a synonym of Costly. Costly is related to Dear. Dear is related to Pet. 
Capital <--RelatedTo--> Money <--RelatedTo--> Register <--IsA-- File <--RelatedTo--> Surface 
High <--Synonym--> Costly <--RelatedTo--> Dear <--RelatedTo--> Pet 