<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb62127e14a_-_07-strange-symptoms-health.jpg>
<http://www.womansday.com/health-fitness/womens-health/a5124/strange-health-symptoms-explained-107901/?src=shelter_footer>