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Grigore Alexandru Ghica 's program was ended by the Crimean War , when Russian troops occupied the Danubian Principalities as a means to attack the Ottoman Empire .
 person: Grigore Alexandru Ghica; location: Ottoman Empire
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: Grigore Alexandru Ghica, Ottoman Empire 
Answer:
 person: Grigore Alexandru Ghica; location: Ottoman Empire