we observe take low energy and everything else has higher energy and not specifying that it should be the you know that the difference of energy should be akin to wish you know difference of love of our abilities insist on that and there are two classes of methods for doing this without contrastive methods and architectural methods so quadratic methods basically consists in pushing down on the energy of points of data points right so give a give a pair XY to the model and twist the parameters so that the energy coming