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In July 2009 Diviš signed a two-year contract with the Czech premier league side Slovan Liberec .
 Diviš, Slovan Liberec
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Diviš, Slovan Liberec