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Panos Koutrouboussis ( ) ( b. 1937 , Livadeia ) is a Greek writer and artist .
 Panos Koutrouboussis, Livadeia, Greek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Panos Koutrouboussis, Livadeia, Greek