kind of agreeing a great way to - or that kind of over senior model and yoke and abused or fits into the leaderboard or fit into a validation data and you need to establish the proper way how to compare the models before you can apply to the labels and after the second version of will be applied and for example have this for four volts away using the basically k-fold cross-validation and the first approach could be we just train four different models for each of the poles and samples them and obtain through the labels and