Assertion: sale | /r/HasProperty | due
Facets:
value: to the birth of twins
type: CAUSE
Source sentences:
text: By 1921, the story was already being parodied: the July issue of Judge that year published a version that used a baby carriage instead of shoes; there, however, the narrator described contacting the seller to offer condolences, only to be told that the sale was due to the birth of twins rather than of a single child.