Vessel is a type of Craft. Vessel is a type of Tube. Tube is a type of Structure. Structure is related to Wood. 
Ruling is a form of Rule. Rule is a synonym of Govern. Govern is a synonym of Regulate. 
Craft <--IsA-- Vessel --IsA--> Tube --IsA--> Structure <--RelatedTo--> Wood 
Ruling --FormOf--> Rule <--Synonym--> Govern <--Synonym--> Regulate 