<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f92a18c36d5_-_tumblr_lypgfhxis91qfno3a.gif>
<http://www.delish.com/food/news/a37679/gluten-free-problems-cos0214/>