Sorry, I missed your post. If you mean that the "normal way" I have drawn is not feasible, show that it is not. If you mean "they cannot be convinced", well...

Sorry, I missed your post. If you mean that the "normal way" I have drawn is not feasible, show that it is not. If you mean "they cannot be convinced", well... They must be either convinced or overridden, if you are the one that bears the damage.