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Bulgaria provides a link in the trade corridor between Uzbekistan and the European Union , with important Black Sea ports .
 location: Uzbekistan; organization: European Union
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Uzbekistan, European Union 
Answer:
 location: Uzbekistan; organization: European Union