51052
In Sub-Saharan Africa , where there was no continent-wide universal Bronze Age , the use of iron succeeded immediately the use of stone .
 location: Sub-Saharan 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: Sub-Saharan Africa 
Answer:
 location: Sub-Saharan Africa