About: http://webisa.webdatacommons.org/334635796

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	Jack thinks himself is a superstar. why is the second sentence considered ungrammatical in the light of the first sentence.
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com