So 100 people here who need to control their diabetes. And we say, all right, well, let's take half of this group and put them into, I guess you could say, a treatment group and another half and put them into a control group and see if the treatment group, the one that actually gets my pill, is going to improve their A1C levels in a way that seems like it would not be just random chance. So let's do that. So we're going to have a control group. So this is my control group, control. And this is the treatment group. This is the treatment, treatment group.