About: http://webisa.webdatacommons.org/338763643

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	They can be set to any color such as red, pink etc - they do not have to be just grey
http://www.w3.org/ns/prov#wasQuotedFrom	graphicxtras.com