<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/12/55093c278b9dd-joes-jeans-stain-resistant-orig-master-1izszg-1.jpg>
<http://www.goodhousekeeping.com/institute/a25703/stain-resistant-jeans-test/?src=shelter_footer>