<prompt> Pedzisa mutsara unotevera: Muna April 1975, paaibhururuka achienda kunorwisa North Vietnamese, ndege yake yeA-37 yakapfurwa nebhomba rinorwisa ndege. Mumwedzi mumwe chetewo,  <response>: Guta reSaigon rakabatwa neuto reNorth Vietnamese, iro rakaratidza kuguma kweHondo yeVietnam uye kuwa kweSouth Vietnam. 