"What kind of a mill are you?"
"A paper mill."
"What do you make paper out of?"
"Straw and rags."
"Well, we will make laws for you. We must have paper on which to write notes and mortgages."
He goes up to another mill and says:
"Hey, what kind of a mill are you?"
"A gin mill."
"I don't like the looks nor the smell of you. A gin mill; what do you make? What kind of a mill are you?"
"A gin mill."