<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f90a2c61b66_-_creamy-spinach-dip-ew0710-th2.jpg>
<http://www.delish.com/food/news/a38859/group-says-hot-dogs-as-unhealthy-as-cigarettes/?src=shelter_footer>