<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6a039b52c5_-_turnip-greens-beta-carotene-xl-51035836.jpg>
<http://www.delish.com/cooking/nutrition/g2640/beta-carotene-food-sources/?src=shelter_footer>