Mission is related to Operation. Operation is related to Opening. Opening is a type of Artifact. Extra is a type of Artifact. 
Village is the opposite of City. City is part of Province. Province is a synonym of Realm. 
Mission <--RelatedTo--> Operation <--RelatedTo--> Opening --IsA--> Artifact <--IsA-- Extra 
Village <--Antonym--> City --PartOf--> Province <--Synonym--> Realm 