here says labels are the opium of the machine learning researcher so you know it's all like revolutionary statements and some dude actually produces a t-shirt that you can buy okay so that gives me two inertia base models which you really really is a proposal for how we approach this problem so the main problem is how do we predict with uncertainty so if I if I do an experiment I'll come back to this if I do an experiment which is I put a pen on the table and a lady go and in a minute and if I I repeat the experiment