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Mr Vernicos has served as president and/or member of the board of directors in some of the most important Greek companies like : Olympic Airways and subsidiaries ; Hellenic Shipyards , Skaramanga ; Hellenic Duty Free Shops ; National Bank of Greece ( France ) ; Attica Group ; MINION , etc. .
 organization: Olympic Airways; organization: National Bank of Greece
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Olympic Airways, National Bank of Greece 
Answer:
 organization: Olympic Airways; organization: National Bank of Greece