<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb90193b6c0_-_meteorlight-k9-led-dog-ball-mdn.jpg>
<http://www.womansday.com/life/pet-care/g528/10-best-dog-toys-for-summer-81112/>