56498
During this era , the first Tswana-speaking groups , the Bakgalagadi , moved into the southern areas of the Kalahari .
 location: Bakgalagadi; location: Kalahari
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: Bakgalagadi, Kalahari 
Answer:
 location: Bakgalagadi; location: Kalahari