Original sentence: Kersa (Hararge) is the woreda in the Mirab (East) Hararge Zone.Kersa River is a river located in that woreda;.Kersa, Ethiopia is a town in the Arsi Zone;
Edited sentence: Karsa River (also spelled "Kersa") is a river located in western Ethiopia;.Kersa (Arsi), Ethiopia is a town in the Arsi Zone;.Kersa (Hararge) is the woreda in the Mirab (East) Hararge Zone;.Kersa (Hararge), Ethiopia is a town in that woreda