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The summit , which is being sponsored by the European Union , is meant to show the Balkan states that the EU is preparing to welcome them into the European family .
 geographical social political: the European Union; geographical social political: the Balkan states; geographical social political: the EU; geographical social political: them; geographical social political: the European family; geographical social political: European; location: Balkan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: the European Union; geographical social political: the Balkan states; geographical social political: the EU; geographical social political: them; geographical social political: the European family; geographical social political: European; location: Balkan