<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/980x1306/548b6f26a031d_-_rbk-mug-cakes-chocolate-espresso-s2.jpg>
<http://www.redbookmag.com/food-recipes/advice/g1838/mug-cakes/>