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International career Calandria played for Argentina at the U – 17 and U – 20 levels .
 Calandria, Argentina, U – 17, U – 20 levels
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Calandria, Argentina, U – 17, U – 20 levels