<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/980x1130/54f6774bc34e3_-_2salad-dressing-oqgjvg-s2.jpg>
<http://www.delish.com/cooking/nutrition/advice/g1495/when-to-skip-fat-free-version-ghk0714/>