<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/5508ef5c54f12-watercress20with20roots.jpg>
<http://www.goodhousekeeping.com/food-recipes/easy/a23242/easiest-spring-salad-recipe/?src=shelter_footer>