<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb7ce1ec090_-_want-a-cracker-mdn.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g57/15-fiber-packed-snacks-105972/>