again so you have a teacher model and the teacher model is trained first using unsupervised like this is the teacher model right here using unsupervised training then the teacher model is further fine-tuned on the small data right so it is now already pretty good at the task but how can you get a student model that's even better than the teacher model it's by using again this unlabeled that you have this giant amount of data so what you'll do is you take an image from the unlabeled data and you ask the teacher model teacher