attention to like exhilarating because those are the things that here they say explicitly we found helpful to use auxiliary losses sometimes they they won't say why they did it they will just say our loss consists of three things and you know if you look at the three things only one of the things is really a part of their story so far and that you should immediately conclude that they've put in the other things because they tried it and it didn't work right so you can also kind of get an estimate of the brittleness and so on of the