<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff0132e14d8-ruffles-light-potato-chips-xl.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/tips/g501/low-calorie-snack-ideas/?src=shelter_footer>