About: http://webisa.webdatacommons.org/77494075

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	I assume that the coin is tossed each trip only upon reaching the wall position, and also that the diagram is a top view so we are walking around, not climbing over, the wall.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com