<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6b7fadea1d_-_dark-chocolate-bark-roasted-almonds-seeds-recipe-fw0311-th2.jpg>
<http://www.delish.com/cooking/nutrition/news/a17284/dark-chocolate-improves-physical-endurance-study-ucsd/>