that's that's just how how these like how the task works so it makes sense that that these other models kind of do this because they preach right and this not Burt has a different free training because they can they can only they have to look to the left and the right and the other thing is what you want to use the model for so the good thing if you own if you go left to right is you can use the model now for generating language in the same thing if if you have a B C D and you ask and the model is trying to produce the next character