About: http://webisa.webdatacommons.org/205097664

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Each point, except one, is an intersection of two lines. (There are two solutions.)C. [Challenging] There are six lines.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com