<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe973fb6f2a-cough-syrup-measuring-cups-de.jpg>
<http://www.goodhousekeeping.com/health/a17378/endless-cold/?src=shelter_footer>