language model where you say well what is the probability of the N being given the story and you normalize by the probability the ending in isolation and this this trick just helps a bit compared to just computing only the probability the ending given story that actually still works quite well but you get a fair amount more and so they were able to significantly improve the performance on this data set again in the limit just using that single feature the RN NLM features here they got a almost 10% jump in performance just by