About: http://webisa.webdatacommons.org/130132328

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	Supplements are usually provided to individuals, groups, or companies for a fee, and are thus a sort of advertising.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com