don't know you might ask yourself questions like this but at some point you can end up and of stopping leaf and I'm gonna either accept or decline the job offer so that was supervised learning next category is called unsupervised learning and then unsupervised learning you only have input data and no corresponding output variables you have no labels in your training sets and the goal phone supports learning is to model the underlying structure or distribution in the data in order to learn more about the data so the algorithms are left on