studying what you do is you first you learn classifier on some tasks let's call it Tosca and sometimes we call this pre-training then having learned Koski you continue training this classifier on a new task task B and the goal is really to get good performance on task B so the goal is to get good performance on toss B you might ask why train on task a at all and the general belief in the community is that if you know task a is sort of complex and diverse and very general then by going through this process of training on task a hopefully