"It seems that I am, doesn't it?"
"On what floor?"
"Why do you ask?"
"On the third floor, ain't you?"
"Why should you suppose that I am on the third floor?"
"I don't suppose nothing. Perhaps you're on the fourth. Are you on the fourth?"
"The world is full of possibilities."
The man took a pull or two at his pipe; then, wholly unabashed, began again--
"What's your number?"
"My number?"