we saw producing these images because you can always just predict the next pixel and then the next and then the next and then the next whereas in Beart it's a bit more unclear how you would produce things in a consistent manner because the predictions of these two pixels right here they are independent it's one forward pass and then both of these are predicted but other papers have tried to solve this like this not excel net I forget I forget its name it's something with an X and yeah but but these are the two objectives they look at and it turns