So we'll throw a 17 there. The number 3 is in both of them. Blue is not in both of them. The star is in both of them. So I'll put the little gold star right over there. And so that's B intersect C. And so we're essentially going to take the union of this crazy thing, which ended up just being a set with a 0 in it. We're taking the union of that and B intersect C. And we deserve a drum roll now.