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President Cristina Fernández de Kirchner changed the name of the airport to Ástor Piazzolla , a musician who was born in Mar del Plata .
 Cristina Fernández de Kirchner, Ástor Piazzolla, Mar del Plata
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cristina Fernández de Kirchner, Ástor Piazzolla, Mar del Plata