human
What next, Doctuh, suh?
gpt
Get dynamite! cried the doctor.
human
If I'm right, this underground cavern is entered by a tunnel. We'll blast away this caved-in rock until we locate it.
gpt
There is no need to go to that trouble, Dr. Bird,
human
Your guess about a tunnel is correct, Doctor, went on the Voice.
gpt
There is a tunnel leading away from the spot where you are, but to find the end would be useless to you. I have prepared for that.
human
Ha'nts!