[laughter] klay spinning disk another question from the audience of falwell the delta and real to of artificial intelligence has arrived? >> that is the original idea of the father of computer science to say the moment that you cannot tell the machine from a human by asking a question that is artificial and intelligence but of the of their founding fathers by the way they were wrong but now we have these very small computers and play great chests but you cannot call that the intelligence. i don't know of it is a watershed moment to believe it is intelligent it is in just one day of the calendar talk about intelligence to leave the department of science so what is intelligence and when real looking for machines is it the result for the process? perhaps it is that coming up with a resolve to make sure that happens in a way that we can understand it? so to take a similar path. i am not an expert but my opinion is we would get early incarnations of ai or any other chess engine you find out the origin of the decision but if they will ever tell you this so from proving so i would not be too