About: http://webisa.webdatacommons.org/178121325

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	The issue is which rule controls whether an obstacle is casual or not by default when two of the rules produce a different answer to that question.
http://www.w3.org/ns/prov#wasQuotedFrom	sndg.org