is to to combine it together and then have a joint audio and video representation you know for for a number of layers at the top so that there's this information can kind of a cook together and get us a join out your video representation okay but how do we train this representation and again we want to train it and without supervision it will self supervise training so one thing that was kind of the obvious first idea that we had was why don't we train say a binary classifier where the positives are videos with the correct