About: http://webisa.webdatacommons.org/103420689

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	In sentence 1, do I have an indroductory element, No, the first comma is a joining comma. plus a ?? -- do not know what the second one is. bracketing comma
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com