been talking about here in South supervisors running there's a huge amount of feedback you're giving to the machine you know you're giving it a piece of video and then you were asking it you're telling it you know predict all those pixels it's an enormous amount of information this is a technical issue with it which I'll come back I'll come to in a minute supervise running you give a relatively small amount of feedback you tell the Machine this is class number three out of a thousand it's not a huge amount of information