<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb8912d72f3_-_slice-and-serve-mdn.jpg>
<http://www.womansday.com/relationships/family-friends/g381/plan-a-perfect-pizza-party-102172/>