Only three choices are selected in the poll, because otherwise too many options would be needed. Those reflect the main different interpretations in my understanding, while minor subtleties might be prefered by some physicists. Please vote for your favorite. The main difference between one and two is that Bohm allows to consider that the trajectory is well-defined. Feel free to discuss your adjustements or own tastes. If you prefer hidden-varaible theories, or other exotic stuff, you can still display it, but please everyone keep it as short as possible.