One of the obstacles is the lack of training or education sessions in-between the longer training sessions and the tutoring. In terms of being able to function in a second language, especially in a legal setting, you can appreciate that if you only go to formal training sessions twice a year, and you don't necessarily get the opportunity to use your skills in-between, it's very hard to progress.
That's one of the aspects we are reflecting on in considering what will happen in the next five years. I has an impact on the length of time, if you will, before a person can reach level 4.