<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/160x213/54f5fca63a597_-_woman-using-inhaler-mdn.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1117/asthma-triggers/?src=shelter_footer>