"So how should I deal with you? I wish that each of you would obey any command that the other gives you, even if she didn't mean to give it!"
Joy and Alison both cringed when Karyn said "she". They looked at each other briefly and then Karyn continued.
"I wish that if one of you gives the other a command accidentally that she won't be able to give a command that would cancel the accidental one."
Sarah was cracking up. "You are awesome at this!"
"Thanks sis. What else should we do to them?"
"Well..."