<prompt> Nyorai kupfuurira kweiyi ndima - Benz, akaberekerwa muZurich, akawana menduru sere paFIBT World Championships nendarama nhatu Vaviri-murume: 1978, 1979; Varume vana: 1981  <response>: , sirivha mbiri Vane-murume: 1977, 1978, uye ndarira nhatu Vaviri-murume: 1981, Vane-murume: 1979, 1981. 