<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x160/54f5f835ac4aa_-_1-heart-health-puzzle-lgn-62108159.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g739/save-your-heart/?src=shelter_footer>