<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/640x430/5489e863c0e0e_-_rbk-health-mistakes-0412-3-xln.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g555/bad-for-your-health/>