single market and that's going to be actually, i believe, very difficult. so whether we come out with a crash out, which is a danger, or whether we come out with an absolutely minimalist trade deal and actually carry on talking, or whether in the end the british remain almost totally aligned with the european union for a very long time, those three possibilities are all out there. >> that is a good example of the complexities that they're about to go through. it's hard to imagine what brexit will look like and the impact it will have. what immediately impacts of the citizens of the united european union? >> the tension between scotland,