My dear 3g, I really thought that your imagination had reached the limit of its capabilities with the question of “outbreeding”. Clearly, I was wrong! Your imagining that you and I could ever find ourselves in the same vehicle – especially with me as your chauffeur - is surpassed only by your imagining that anyone else would want to be in that vehicle at the same time! It is, therefore, my opinion that, in the event of such a screamed warning, there wouldn't be anybody in the vehicle with whom I could have a sensible discussion. However, it may surprise you to learn that even screams have linguistic properties – ask any mother with a 6 month old baby.