<https://pty.vanderbilt.edu/2018/07/summer-savy-2018-session-5-day-5-chemical-spill-miss-raff-rising-3rd-4th/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://pty.vanderbilt.edu/2018/07/summer-savy-2018-session-5-day-5-chemical-spill-miss-raff-rising-3rd-4th/>