About: http://webisa.webdatacommons.org/65290758

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	When we know that one child is a boy, there cannot be two girls, so the sample
http://www.w3.org/ns/prov#wasQuotedFrom	mathforum.org