<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/04/54c197adb015b_-_00h0h_1wiglbep6j8_600x450-mdn.jpg>
<http://www.elledecor.com/shopping/furniture/advice/a6143/lifecycle-of-a-futon/>