<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/5489ea21eee0c_-_rbk-snack-rule-0712-3-msc.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g568/healthy-snacks-for-weight-loss/>