PMC:1914394 / 721-734 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T743","span":{"begin":2,"end":8},"obj":"JJ"},{"id":"T744","span":{"begin":9,"end":13},"obj":"JJ"},{"id":"T745","span":{"begin":8,"end":9},"obj":"HYPH"}],"relations":[{"id":"R117","pred":"amod","subj":"T743","obj":"T744"},{"id":"R119","pred":"punct","subj":"T745","obj":"T744"}],"text":"d double-null"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T588","span":{"begin":9,"end":13},"obj":"SO_EXT:sequence_nullness"}],"text":"d double-null"}