About: http://webisa.webdatacommons.org/270830577

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	For most activities, you are required to answer 10 problems correctly to pass, but there were a few times when I encountered the SAME problem 3 or 4 times within that set of 10, occasionally twice or three times in a row.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.com