About: http://webisa.webdatacommons.org/44910211

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	Now, if at least one child is a boy, it must be either the oldest child who is a boy, or the youngest child who is a boy.
http://www.w3.org/ns/prov#wasQuotedFrom	lesswrong.com