<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/160x87/54fe6aab86f7a-arugula-pesto-pizzas-recipe-ghk0513-vcchiq-msc.jpg>
<http://www.goodhousekeeping.com/food-recipes/easy/g307/tortilla-recipes/>