<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe98f61f9ab-plastics-microwave-s3.jpg>
<http://www.goodhousekeeping.com/institute/a17859/plastic-safety-heat-food/?src=shelter_footer>