John: Make up a story about how a scary monster will kidnap them if they don't start behaving correctly.
Paul: He will not yell, but he will scold them, and make sure they never do it again.
George: Grab at his hair, obviously stressed out to the point where he needs to lay down and calls you upstairs to take charge for a while.
Ringo: Warn the child that they do not want to see the bad side of their father, then send them to their room.
