that we are driving and it didn't change lane the problem is that the blue car invisible to the other ones and so it get squeezed and it has to escape because the other cars will just record it right so they don't they don't see the blue car is another example they're you know they are there is gonna less issues it's trying to stay sort of halfway between the cars in front in the back okay so that's slide I think this whole idea of supervised running is associated machine learning this don't necessarily believe me but that's where