[There's many ways River can retort. "If text is suddenly appearing that means it can do other shit." Instead, he imagines his friend, the medium, gently chiding him for being uselessly crass and he channels her by responding to the more important question.

He taps his forehead to indicate something else.]

Can you read minds? Or talk to other people? Telepathy. I can't do that, but if you can, we have a chance to probe a head outside and call for help.