<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1467/54ff5898432bb-ghk-celebrity-heart-problems-alex-trebek-s2.jpg>
<http://www.goodhousekeeping.com/health/g1205/a-list-heart-health-survivors/?src=shelter_footer>