<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.kama hesabu inasema ushindi wa kura moja hauwezekani unless kuwa hakuna error hata moja...basi sheria yeyote lazima ikubaliane na hili.  <response>: so one doesnt want to guarentee that nothing will fail ... just that the probability of failure under certain conditions is acceptable. 