for doctors seshamani, and mr. jost, you've been talking about choice and wide choice consumers have. now part-d, gave consumers a lot of choice and what studies have shown is that consumers don't know what to do with the choice. that they're bewildered by more than three or four choices. if you look at federal employees health benefit program which i'm also on, there is also a choice there and in fact i think most people stick with what they have because it is just too complicated to deal with all of the choices and have you fact are tored this into the way you're going to roll out the plan or help consumers, or, is it designed of how the marketplaces set these choices up for people? in health care, choice of provider works very well. choice of plan has not worked very well, at least in those two instances. >> well there's a couple of different ways of addressing that. one is to, well, standardize plans. some states have done that so that it, and of course the affordable care act went a long way towards standardizing p