<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x320/54f5fe1f3d08e_-_01-family-walking-outdoors-lgn.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g1255/healthy-family/>