<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fb3bc9d9b2_-_cos-03-girl-sitting-at-desk-lgn-msc.jpg>
<http://www.cosmopolitan.com/health-fitness/advice/g2107/easy-ways-to-burn-calories/?slide=2>