<prompt> Qedela umusho olandelayo: Ngo-1968, i-The Joke yaguqulwa yaba ifilimu ngumqondisi weCzech New Wave uJaromil Jireš, kodwa ifilimu yavinjelwa ngokushesha ngemva kokuthi  <response>: Ukuhlasela kweWarsaw Pact okwaqeda iPrague Spring. 