For instance, you could hardly expect your son to be truthful if he overheard you say, "Tell him I'm not home," when you do not want to speak to someone at the door.
Ngokwesibonelo awungeke ukhangelele ukuthi umntanakho akhulume iqiniso nxa engakuzwa usithi, "Mtshele ukuthi angikho," nxa kuyikuthi awufuni ukukhuluma lomuntu osemnyango.