About: http://webisa.webdatacommons.org/284003713

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	This problem is a version of the vanishing puzzle made famous by Sam Lloyd's 1898 Get Off the Earth puzzle.
http://www.w3.org/ns/prov#wasQuotedFrom	educationworld.com