<prompt> Pedzisa mutsara unotevera: Asi pakupedzisira, sezvo mauto eSouth Vietnam akaparara, yakanga iri tangi reT-54 reuto reNorth Vietnamese iro  <response>: rakapwanywa negomo guru rePresidents pa10:45 musi waApril 30, 1975, richigumisa Hondo yeVietnam. 