<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fcdc18133c_-_cos-01-traditional-engagement-ring-msc.jpg>
<http://www.cosmopolitan.com/style-beauty/fashion/advice/g2644/engagement-ring-trends/>