<prompt> Nyora ndima pfupi yenyaya iri pamusoro penyaya inotevera: MunhuX naMunhuY vanoita chibvumirano  <response>: Chokwadi, heino ndima pfupi: Grey naIsacc vakaita chibvumirano chokuti kana vakanga vachiri vasina kuroora panguva yavaizosvitsa makore 30, vaizoroorana. Makore mashanu gare gare, vose vari vaviri vane makore 27 uye hapana nomumwe wavo awana mukwanyina, naizvozvo vanosarudza kupfuuridzira negadziriro yavo. 