<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu VaLing vakasiya basa pasi pemirairo yemabhangi.  <response>: Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi VaLing vakasiya basa nokuda kwemirairo yavabhangi, muna 1975 pashure pokunge nhau dzokurambidza kutengeserana dzamuka. 