<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff74ad14567-sg-walmart-rtu-2-150.jpg>
<http://www.goodhousekeeping.com/institute/a21711/cleaning-products-and-tips-for-outdoor-spaces/>