PMC:1253828 / 3687-3691 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1386","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"null"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T902","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null"}