14693
50 " kya-old , deeply stratified shell middens found in Ysterfontein on the western coast of South Africa are associated with the Middle Stone Age ( MSA ) .
 location: Ysterfontein; location: South Africa
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: Ysterfontein, South Africa 
Answer:
 location: Ysterfontein; location: South Africa