<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/480x360/54f5f9cc6ac47_-_01-antacid-tablets-lgn-4602712.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g836/heartburn-remedies/?click=health>