is the the difference from that so what we did was basically to take yeah on what we think the signal is if I'm looking at the outside and I'm trying to submit position of a ball and predicting where the ball is going to be is a different stories and if I'm trying to estimate suppose it's octave all right and then do in how many examples do we actually know what it is that we're trying to predict I mean really for sure right this is only doing that thing right yeah that's that's a great matter question and and I think we can discuss