but now we need to get around the fact that we have such large vocabularies so the first idea here is hierarchical softmax and this is kind of a tangent i find this paper by the way it's sort of hard to read because it's like a half engineering paper but yeah so first I introduced this hierarchical softmax which is kind of a a distraction it's kind of a here is what we do here is what we considered first but then didn't end up using really they do compare with it but the flow of text is sort of that you expect this to be part of the final