that means that if you are more clever about sample negatives we already know what your downstream task is you could prioritize something negatives in a fashion that will incentivize CPC to learn the features that will be more relevant for your downstream tasks so if you're if you don't really care about speaker identification you could just make sure that all the negatives are constantly coming from the same speaker and so that's really interesting way to illustrate this point and and and and the second ablation that they did is the