<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/768x516/54ebbd14c3be2_-_woman-looking-store-shelves-xl.jpg>
<http://www.womansday.com/life/work-money/tips/g1235/how-to-save-money-on-groceries/?click=lifestyle>