Original sentence: During recent political upheavals, a few thousand Bambassi established themselves in the valley of the Didessa river and Belo Jegonfoy woreda.Much of Mirab Welega zone was once the home of Mao languages but they have yielded speakers to the increasing influence of Oromo.The Mao languages are spoken in Ethiopia and comprise Bambassi spoken in the Bambassi woreda of Benishangul-Gumuz region, Hozo and Sezo (often described together as 'Begi Mao') spoken around Begi in the Mirab Welega zone and Ganza, spoken south of the Bambassi in Asosa zone and west of the Hozo and Sezo
Edited sentence: During recent political upheavals, a few thousand Bambassi speakers established themselves in the valley of the Didessa River and Belo Jegonfoy woreda.Much of the Mirab Welega Zone was once the home of Mao languages, but these languages have lost speakers to the increasing influence of Oromo.The Mao languages are spoken in Ethiopia and comprise Bambassi spoken in the Bambasi woreda of Benishangul-Gumuz Region, Hozo and Sezo (often described together as 'Begi Mao') spoken around Begi in the Mirab Welega Zone, and Ganza, which is spoken south of the Bambasi in the Asosa Zone and west of the Hozo and Sezo