<prompt> Translate the following text to EnglishUjumbe wa matangazo ya biashara kwa mfano, barua za matangazo za biashara zilizotumwa na watu wasio wa nyumbani kwa watu wengine wasio wa nyumbani haijulikani na kwa hivyo haijumuishiwa katika barua za matangazo.  <response>: , advertising mail sent by non-households to other non-households is not known and, thus, it is not included in advertising mail. 