what is the gap between the future and the context so there are overlapping audio chunks just like how you saw in the door shadow work where if you had overlapping patches it's going to be very easy to do these jigsaw puzzles Dallas CPC basically also suffers from the same problem so you should make sure that your negatives are come or your actual prediction tasks are not so trivial enough that you could just look at the whatever is overlapping and just try to predict that so that's one really important thing about CPC but the more