Don

First God formed a human, call this pot 1 to see the simple analogy of forming.

God takes a part/side of pot 1 and forms pot 2, there is no need for pot 2 to be already in pot 1 in some sense. It also said he remade pot 1 some.

And then he calls pot 1 man and pot 2 woman.

What was pot 1 before the split? Who knows? It does not say besides human. One principle is to not go beyond the text, so I do not.