<prompt> Pedzisa mutsara unotevera: Berni akatumidzwa kuSwitzerland U20 national team ye2018 World Junior Championships. Akatamba mitambo mishanu, asina kuwana poindi. Akapindazve muchikwata nokuda kwe  <response>: 2019 World Junior Championships, achitamba mitambo yese minomwe 2 anobatsira kubatsira Switzerland kupedzisa 4th mumutambo. Berni akatumidzwa kuchikwata che2020 World Junior Championships, mwaka wake wekupedzisira wekukodzera. 