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; the exhibit for teenagers – RE : generation was opened 3 March 2011 ; a planetarium The Heavens of Copernicus opened on 19 June , the Discovery Park on 15 July , chemistry laboratory - 18 October ; biology laboratory - 15 November , robotics workshop - 6 December , and physics laboratory - 20 December .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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