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Eastham was a very important member of the Hockeyroos that competed in the 2009 Champions Trophy in Sydney that won silver against Argentina .
 Eastham, Hockeyroos
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eastham, Hockeyroos