<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54ebb7681f1a2_-_5-brushing-dog-xl.jpg>
<http://www.womansday.com/life/pet-care/g1162/flea-and-tick-prevention-for-dogs/>