that what I mean is it's much easier to perform this contrast to task of identifying what is the right future when the prediction task offset is not much when you're actually trying to predict much closer to the future but as you keep moving further and further away the mutual information between what you already have and what you're trying to predict is much lower there's much more entropy so you're not actually would optimize those future time steps as well because the context is not sufficient so the accuracy drops exponentially as you