All right, so first of all, what type of study is this? Well, we're taking our groups, we are randomly putting them into two different groups. You could call the placebo group, maybe the control group, and then you're putting the real pill as your actual experimental group. And so this is a classic experiment. This is a classic experiment. You're trying to establish a causal relationship. You want to see whether this real pill actually makes migraines better.