<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x656/548f1c39e8c26_-_1-ghk-seemingly-healthy-snacks-pretzels-s2.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g2003/smarter-afternoon-snacks-good-housekeeping/>