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Another influence on her early life was the Russo-Turkish War , 1877-1878 that also involved Romania - the country declared independence from the Ottoman Empire , and joined Imperial Russia 's camp .
 location: Romania; location: Ottoman Empire; location: Imperial Russia
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: Romania, Ottoman Empire, Imperial Russia 
Answer:
 location: Romania; location: Ottoman Empire; location: Imperial Russia