<prompt> Pedzisa mutsara unotevera:  <response>: World Championships Bui akakwikwidza pa vault, zvisina kuenzana mabara, uye kurovedza pasi panguva yekukodzera uye akabatsira Germany nzvimbo yechipfumbamwe sechikwata. Kunyangwe ivo vasina kukodzera kuenda kumakwikwi ekupedzisira, vakakwanisa timu kumitambo yeOlympic ya2020 muTokyo. Somunhu oga Bui haana kukwanisa kupinda mumakwikwi ekupedzisira. 