<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe9e7dbe4a5-heart-health-relaxing-0210-md.jpg>
<http://www.goodhousekeeping.com/health/advice/a18654/healthy-heart-tips/?src=shelter_footer>