<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea842be4a99_-_3-sites-for-grocery-coupons-mdn.jpg>
<http://www.womansday.com/life/work-money/tips/a659/3-sites-forgrocery-coupons-76089/>