you are likely to find Union in/at/on Province. Province is a synonym of State. Explain is a type of State. Explain is a type of Inform. 
Premium is a type of Value. Value is related to Belief. Belief is related to Theory. 
Union --AtLocation--> Province <--Synonym--> State <--IsA-- Explain --IsA--> Inform 
Premium --IsA--> Value <--RelatedTo--> Belief <--RelatedTo--> Theory 