<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ebc40c30983_-_08-bottled-water-xl.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1323/weird-side-effects/>