<https://bbqguys.com/d/19146/outdoor-living/furniture/sets/fire-pit>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.bbqguys.com/i/3160410/ultimate-patio/5pc-outdoor-sofa-set-w-fire-table-in-mist>