human
But we heard no sound, and when I finally looked into the reading-room I saw that your friend had gone, and that seat number 433 was also empty. The Carlyle books were lying on the table. The money had been taken. So I came back here to tell you.
gpt
I don't understand what could have happened, he said.
human
If the crook got away in spite of Charley, why didn't he come back here to report?
gpt
Perhaps he's still on his trail.
human
But he was told not to let him get out of the building. There's nothing for me to do I suppose, but wait here.