person A: I hear something tapping outside my bathroom door. I don't know what it is and I am really scared.
person B: That is really scary. Are you home alone?
person A: Yes! I don't have a gun or anything!
person B: I'm sure you are fine. I bet it is just a tree branch or something like that. Maybe a neighbor could go look for you.
person A: I don't have any neighbors_comma_ and there are no trees there. 