Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera:  MunhuX anobvarura chitupa chaMunhuY
Chokwadi, heino ndima pfupi: Swara anofinhwa mukirasi uye haadi kuteerera mudzidzisi. Anovamba kutamba-tamba nezvinhu zvomubati pamwe chete naye uye anopedzisira achibvarura chitupa chake. Mudzidzisi anomutuka uye anofanira kukumbira ruregerero kuna Jc.