<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/320x426/54f5fef1d92c5_-_01-food-pairs-muffin-orange-juice-lgn.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/g1324/food-combinations/>