<https://heleneinbetween.com/2016/04/needs-vs-wants-7in7challenge-day-2-2.html#person>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://heleneinbetween.com/2016/04/needs-vs-wants-7in7challenge-day-2-2.html>