<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x1470/54ff1e8acd691-3ghk-vegetarian-lessons-nuts-s2.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/g828/healthy-vegetarian-tips/?src=shelter_footer>