<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ec06db81a12_-_pen-organizer-xl.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1725/how-to-prevent-a-cold/>