<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54feb90e202c2-0312-christina-pregnant-with-vivian-xl.jpg>
<http://www.goodhousekeeping.com/health/wellness/advice/a19193/cancer-warning-signs/>