<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6993386370_-_pasta-walnut-pesto-sausage-broccoli-rabe-xlg-xl-41474332.jpg>
<http://www.delish.com/cooking/nutrition/g2642/superfoods/>