<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f9489fde765_-_peanut-butter-jelly-triple-bread-del0413.jpg>
<http://www.delish.com/food/news/a39363/national-peanut-butter-and-jelly-day-2013/?src=shelter_footer>