<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/5508fe8f2e24a-1211-woman-sitting-with-cardboard-box-on-head-xl.jpg>
<http://www.goodhousekeeping.com/health/advice/a18517/how-to-stay-healthy/?src=shelter_footer>