<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb901ae222f_-_chuckit-ultra-ball-launcher-mdn.jpg>
<http://www.womansday.com/life/pet-care/g528/10-best-dog-toys-for-summer-81112/>