path you run your standard our logarithm the only thing that's changed is that we take this rare replay buffer you do some data on English now in the bottom path you have another data images in the same frame' you have a contrast of loss so essentially the same loss not exactly same details but at a high level same as we saw in the Sinclair slide okay so a couple of things that were important to make this work Sinclair uses a cosine laws what we found is that having a a weighting matrix here between the key McQuarrie is Ashley Borden then we'll