things about this is if we go and poke into that model and say well you have this hidden state that summarizes everything you've seen and we do probes over that we found that actually there was a single unit within this language model which very vividly indirectly just computes a running estimates of what is the sentiment of the characters I've seen so far in the review so you can see that you know as it turns on this is one of Michael Crichton's best books and so we have green colored as positive and red colored as negative so again there's