Bar is related to American. American is related to Republic. Republic is related to Union. Union is similar to Closed. 
State is the opposite of City. you are likely to find Airport in/at/on City. you are likely to find Helicopter in/at/on Airport. 
Bar <--RelatedTo--> American <--RelatedTo--> Republic <--RelatedTo--> Union <--SimilarTo--> Closed 
State <--Antonym--> City <--AtLocation-- Airport <--AtLocation-- Helicopter 