<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f66d99619f5_-_refried-bean-tostadas-pico-de-gallo-recipe-wdy0514-ihr1oe-s2.jpg>
<http://www.delish.com/cooking/nutrition/g1524/quick-heart-healthy/>