870
The Batajnica airport will take over complete air traffic control during this period , Federal Air Traffic Control Administration Director Branko Bilbija said .
 organization: Federal Air Traffic Control Administration; person: Branko Bilbija; location: Batajnica
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 organization: Federal Air Traffic Control Administration; person: Branko Bilbija; location: Batajnica