80587
It rises in the north of Burundi , near the town of Kayanza and then does a southward arc through Burundi , being joined by the Ruvyironza River near Gitega .
 Burundi, Kayanza, Burundi, Ruvyironza River, Gitega
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Burundi, Kayanza, Burundi, Ruvyironza River, Gitega