<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/640x430/54ebbe3c2cacd_-_02-sandra-and-mom-on-bikes-xl.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g1255/healthy-family/>