PMC:523229 / 1140-1149 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T420","span":{"begin":4,"end":9},"obj":"VBN"},{"id":"T426","span":{"begin":0,"end":3},"obj":"VBP"}],"relations":[{"id":"R183","pred":"auxpass","subj":"T426","obj":"T420"}],"text":"are known"}