About: http://webisa.webdatacommons.org/334997654

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	We found that when more than one black hole was present, especially the kind that change the color of the ball, the puzzle-solving became very much about trial and error.
http://www.w3.org/ns/prov#wasQuotedFrom	slidetoplay.com