This is the key:<p>&gt; The system is only allowed to answer questions if it calculates that it is 97 percent or more confident in its answer.<p>Knowing when you don&#x27;t know the answer is something that has been lacking from AI I&#x27;ve seen. Of course the problem is that not all AI has the option of deferring to a human.<p>Anyone know what percent of questions the AI answered, vs redirected?