About: http://webisa.webdatacommons.org/377186188

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	But since X is a person in your question, and because there is not much context to take into account here, they both make perfect sense as isolated sentences and are as grammatical as it can get.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com