57022
At the same time , the Porte made several concessions to the rulers and boyars of Moldavia and Wallachia , as a means to ensure the preservation of its rule .
 location: Porte; location: Moldavia; location: Wallachia
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: Porte, Moldavia, Wallachia 
Answer:
 location: Porte; location: Moldavia; location: Wallachia