PMC:539297 / 2177-2188 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T785","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T788","span":{"begin":9,"end":11},"obj":"IN"}],"relations":[{"id":"R353","pred":"prep","subj":"T788","obj":"T785"}],"text":"hallmark of"}