PMC:48141 / 110-122 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T46","span":{"begin":0,"end":5},"obj":"VBN"},{"id":"T48","span":{"begin":6,"end":11},"obj":"IN"}],"relations":[{"id":"R14","pred":"prep","subj":"T48","obj":"T46"}],"text":"known about "}