<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7dab925e1_-_portion-control-mdn.jpg>
<http://www.womansday.com/health-fitness/nutrition/g93/10-gadgets-that-make-healthy-eating-easier-111758/>