PMC:314463 / 3466-3474 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1187","span":{"begin":4,"end":8},"obj":"VBN"},{"id":"T1193","span":{"begin":0,"end":3},"obj":"VBZ"}],"relations":[{"id":"R516","pred":"aux","subj":"T1193","obj":"T1187"}],"text":"has been"}