model here is a here's an illustration of some extra things so what they do is they they first this is the input up here so the first token is this CLS token which is kind of the star token and then this is the first sentence then the step is the separator of two sentences then this is the second sentence and then again I said look up to these hashtags in a second but first they say okay first we have the token embeddings so they kind of start with with the original concept of word vectors at the very basis because you