About: http://webisa.webdatacommons.org/450758968

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	Last i remember at D is a grade above F and a C is after a D. B is the safezone.
http://www.w3.org/ns/prov#wasQuotedFrom	n4g.com