<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x368/54eba1896cf91_-_staircase-xl.jpg>
<http://www.womansday.com/life/pet-care/g827/foods-dogs-should-not-eat/?link=emb&dom=yah_life&src=syn&con=blog_wd&mag=wdy>