<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb07c58ecc8_-_weird-pet-tricks-wagon_medium.jpg>
<http://www.womansday.com/life/pet-care/a2613/10-unusual-tricks-to-teach-your-dog-123518/?link=emb&dom=yah_life&src=syn&con=blog_wd&mag=wdy>