11086
Early on they were joined by the agriculturalist Batswana , who migrated into the area from the north .
 location: Batswana
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: Batswana 
Answer:
 location: Batswana