<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6a038a4f96_-_carrots-beta-carotene-xl-32832138.jpg>
<http://www.delish.com/cooking/nutrition/g2640/beta-carotene-food-sources/?src=shelter_footer>