<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eb99829224e_-_power-food-pairs-carrots-avocado-glowing-skin_medium-1.jpg>
<http://www.womansday.com/health-fitness/nutrition/advice/a6333/7-super-powered-food-pairings-125087/?link=emb>