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A demo for the game is available on the PlayStation 3 version of NHL 11 and NHL 12 For " NHL 13 " there is a code to unlock the whole game .
 NHL, NHL, NHL
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 NHL, NHL, NHL