_:nef8920a7b2ff499488d3f94c70df7591xb7
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.clubvita.net/uk/events/the-risk-of-living-longer-series-session-1-5-an-introduction-to-the-problem-2-2-3>