<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/14/28/980x490/539fdd1850b81_-_cos-06-troubled-couple-de.jpg>
<http://www.cosmopolitan.com/health-fitness/advice/g3166/menstrual-cramps/>