<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x554/548f32e389479_-_rbk-sofa-tips-0214-6-s2.jpg>
<http://www.redbookmag.com/home/decor/advice/g2094/how-to-choose-a-sofa/>