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Christian Perthaler ( born July 21 , 1968 in Innsbruck , Austria ) is an Austria n former ice hockey right winger .
 Perthaler, Innsbruck, Austria, Austria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Perthaler, Innsbruck, Austria, Austria