<https://tennisindustrymag.com/news/2012/03/inactivity-levels-rise-in-the-u-s/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tennisindustrymag.com/news/2012/03/inactivity-levels-rise-in-the-u-s/>