to solve in in NLP and and so I think that they said back translation has been shown to be successful for other tasks but I think that the word replacement one might not be as relevant so I was curious if anyone had had tried any others and then Florian I think you had a few here so so yeah what are some other ways to automatically optimize data augmentation strategies the idea here instead you see they have like some kind of targeted augmentation strategy right but instead of having some kind of time use augmentation start sheet let's put in