<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe28be9c5e8-pink-purple-yellow-thread-s3.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/advice/a12436/thread-of-life/>