About: http://webisa.webdatacommons.org/9737854

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	For any two children there are four equally likely pairs: Girl, Girl Girl, Boy Boy, Girl Boy, Boy We know that at least one of the two children is a boy, so that rules out the possibility of two girls.
http://www.w3.org/ns/prov#wasQuotedFrom	bbc.co.uk