<https://www.therugbyforum.com/threads/is-it-too-late-for-me-to-start-playing.47556/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.therugbyforum.com/threads/is-it-too-late-for-me-to-start-playing.47556/#post-1021384>