PMC:1142324 / 2301-2305 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T814","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"null"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T523","span":{"begin":0,"end":4},"obj":"SO_EXT:sequence_nullness"}],"text":"null"}