<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x368/54ebb3e6aa53b_-_simply-orange-pulp-free-xl.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g1102/orange-juice/>