6212
Although many states rose and fell , the most important and durable of the empires were Kanem-Bornu , Baguirmi , and Ouaddai , according to most written sources ( mainly court chronicles and writings of Arab traders and travelers ) .
 location: Kanem-Bornu; location: Baguirmi; location: Ouaddai
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: Kanem-Bornu, Baguirmi, Ouaddai 
Answer:
 location: Kanem-Bornu; location: Baguirmi; location: Ouaddai