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The FAI World Aerobatic Championships ( WAC ) is a competition in sport aviation organized by the Fédération Aéronautique Internationale , the world air sports federation .
 Fédération Aéronautique Internationale
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fédération Aéronautique Internationale