<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/640x1136/54ff406a343ec-video-chatting-kgzy1o-s2.jpg>
<http://www.goodhousekeeping.com/life/inspirational-stories/g1030/boston-marathon-victims/>