<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/5508ef5d45b5a-watercress20salad.jpg>
<http://www.goodhousekeeping.com/food-recipes/easy/a23242/easiest-spring-salad-recipe/>