"Sarah and Emily, we want to thank you first for taking your punishment as proper girls should. We are pleased you followed our directions, and we are pleased that you still want us here. We would, however, like to explore your submissiveness more, by giving you a choice. We can remain as your disciplinarians, and spank you when we or you feel it is necessary. Or if you are willing, we would like to turn you into our slaves. We wont make this a condition for our continued relationships, but we have seen how you act when you are with us, and we want to see if you are comfortable...