<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x322/54ebaf2dc3ecf_-_dog-staring-food-xl.jpg>
<http://www.womansday.com/life/pet-care/g1009/how-smart-are-dogs/>