<prompt> Pedzisa mutsara unotevera: Makore maviri pashure pokuguma kweCultural Revolution norufu rwaMao Zedong uye kuwa kweGang of Four muna 1976, China yakakwikwidza mumakwikwi ayo  <response>: Olimpiki yokutanga muBuenos Aires. Ikoko Liu Wenzhe akakunda nyanzvi huru Jan Hein Donner wokuNetherlands nenzira inoparadza pashure pokufamba 20 bedzi. Unoramba uri mutambo wake unozivikanwa zvikurusa: 