URL	Title	Id
http://digfir-published.macmillanusa.com/cogtk/monty hall.html	Chapter 1. Monty Hall	50de2383b11c0f714a000000
http://digfir-published.macmillanusa.com/cogtk/monty hall_dlap.xml	DLAP questions	50de2383b11c0f714a000000