large demand of those language uses and it makes it economical to annotate a lot of data of basically supervised language sentences pairs but then like it's not economical to do it for the other probably hundreds of languages that exist in the world it just doesn't make sense to annotate that much data and and if we can make this kind of distribution alignment to work without any supervision then it could be used as a lot more it can be used as a way to augment label examples in a kind of semi-supervised way we can be also used