About: http://webisa.webdatacommons.org/329919082

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 your list, it might be possible to say that explain was a hyponym of say, but I don???t think the system holds up particularly well for the examples you have given.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com