About: http://webisa.webdatacommons.org/434838978

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	You are told that the first child was a boy, so of the four ordered possibilities (boy, boy), (boy, girl), (girl, boy), (girl, girl), you can eliminate both (girl, boy) and (girl, girl).
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org