<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1370/548fd0ba04144_-_rbk-metabolism-boosting-foods-green-tea-s2-98283921.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g726/metabolism-boosting-foods/>