<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/320x426/548a4b42298f0_-_3-coffee-on-footlgn-91846343.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1031/burn-extra-calories-easy/>