16645
The zone covered by the authority corresponds to the border regions of the three countries , and covers an area of 370,000 " km ² , including 19 provinces of Burkina Faso , 4 administrative regions of Mali , and two departments and an urban community of Niger .
 location: Burkina Faso; location: Mali; location: Niger
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: Burkina Faso, Mali, Niger 
Answer:
 location: Burkina Faso; location: Mali; location: Niger