<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/980x1276/54f0da66a0e29_-_rbk-mason-jars-pina-colada-smoothie-ejpc5w-s2.jpg>
<http://www.countryliving.com/food-drinks/g1834/mason-jar-recipes/>