Now, this once again, does not mean that A converts to B and then B converts to A. Right? What this means is that the actual form of this molecule is a combination of the two. It's somewhere in between. Our actual molecule that this resin forms represents is an A, nor is it D. It's somewhere in between. And let's call it C. Okay, so this is equivalent to some molecule C, which is a combination of these two molecules.