You and Helen Keller are tied to chairs bolted to the floor six feet away from a table upon which sits a pair of scissors. Your hands are free and your chairs are close enough together so that by the sense of touch your are able to communicate some hope to Helen with regard to the existence of the scissors. But Helen thinks you are either hallucinating or lying. She demands empirical proof. Your inability to offer any is disparaged by Helen as indicative of your deception regarding the scissors. What do you do?