President is related to Boss. you are likely to find Boss in/at/on Business. Business is a type of Enterprise. 
Historical is the opposite of Contemporary. Contemporary is a type of Peer. Peer is related to Person. Bay is a type of Person. 
President <--RelatedTo--> Boss --AtLocation--> Business --IsA--> Enterprise 
Historical <--Antonym--> Contemporary --IsA--> Peer <--RelatedTo--> Person <--IsA-- Bay 