<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/49/547ee1eef1fe5_-_weight-loss-book-lg.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/a3968/real-life-yo-yo-dieting/>