<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eac03fdc771_-_08-1820s-vinegar-diet-1.jpg>
<http://www.womansday.com/health-fitness/nutrition/a1523/15-most-bizarre-diets-in-history-106514/?src=shelter_footer>