About: http://webisa.webdatacommons.org/19228329

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	OK. So, there is a man over there is an example of an introductory subject, a.k.a. expletive, empty subject, preparatory subject, right?
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com