<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ebaf8993961_-_woman-doing-yoga-xl-53618361.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1017/boost-your-immune-system/?src=shelter_footer>