<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f63f7c29b6b_-_egg-avocado-sandwich-recipe-mslo0412-xl.jpg>
<http://www.delish.com/cooking/g894/avocado-sandwich-recipes/?src=shelter_footer>