<https://lovepotion.invisionzone.com/topic/13775-pherotine-2020-labels/#comment-506291>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://lovepotion.invisionzone.com/topic/13775-pherotine-2020-labels/?tab=comments#comment-506314>