it to a model of the same size again within both cases you would again use the unlabeled all of the unlabeled data okay and that's the three-step approach that's same clear v2 in it's in all of its form alright so they go into fine tuning right here and yeah so they say we elaborate with a three layer projection head so that's the three layer projection head this here is the output of resonate 50 where Sigma is a Rayleigh non-linearity and we ignore the bias term for gravity power blah blah blah so they contrast this here for fine