About: http://webisa.webdatacommons.org/111815212

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	D. says that Themes are especially suitable when the speaker introduces a new (Discourse) topic (p. 35), which (2) nicely illustrates.
http://www.w3.org/ns/prov#wasQuotedFrom	brynmawr.edu