About: http://webisa.webdatacommons.org/397102173

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	This solution can be found by assuming, that Grace's first statement is a lie, hence she is not 22, but her other two statements are true.
http://www.w3.org/ns/prov#wasQuotedFrom	puzzles.com