<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/640x430/54ebc02732a56_-_03-woman-pouring-oil-salad-xl.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g1275/most-nutritious-vegetables/>