<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54ebafb6d7892_-_glass-green-tea-xl.jpg>
<http://www.womansday.com/health-fitness/wellness/advice/g1010/afternoon-slump/?src=shelter_footer>