<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x735/548f32dd59a07_-_rbk-sofa-tips-0214-1-s2.jpg>
<http://www.redbookmag.com/home/decor/advice/g2094/how-to-choose-a-sofa/>