<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1276/548f741fdf9d1_-_rbk-mason-jars-pina-colada-smoothie-s2.jpg>
<http://www.redbookmag.com/food-recipes/advice/g2318/mason-jar-recipes/>