<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f936ec5a769_-_clv0910-easy-chocolate-party-cake-xl-2794487.jpg>
<http://www.delish.com/cooking/g2139/homemade-chocolate-cake/>