<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64a3331d5d_-_11-franklin-delano-roosevelt-fw1012-xl.jpg>
<http://www.delish.com/food/g359/president-food/>