<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54fed8c421cf0-ghk-pepperoni-pizza-jymur3-xl.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/advice/g316/smart-food-swaps/?src=shelter_footer>