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At least 11 people died in Bulgarian city of Varna due to flash flooding and mudslides , the interior ministry said . http://t.co/t89HgryyjA
 location: Varna
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: Varna 
Answer:
 location: Varna