<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/980x1478/54ebb37e6980b_-_09-woman-drinking-milk.jpg>
<http://www.womansday.com/health-fitness/nutrition/g1087/how-to-speed-up-your-metabolism/>