<prompt> Ronga mhinduro kumubvunzo uyu wakaoma kunzwisisa: Ndeupi murairidzi wokuRussia wokutamba pamakumbo akanga ari aimbova mutambi anotamba pamakwikwi echando uyo akakwikwidzana naOlga Pershankova muna 1993?  <response>: Nikolai Morozov 