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Key 10th Memorial Fes was an event hosted by the visual novel development brand Key under Visual Art 's and held during February 28 and March 1 , 2009 to commemorate the tenth anniversary of the game brand 's establishment .
 Key, Key, Visual Art 's
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Key, Key, Visual Art 's