PMC:549712 / 1675-1690 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T540","span":{"begin":4,"end":6},"obj":"TO"},{"id":"T541","span":{"begin":7,"end":9},"obj":"VB"}],"relations":[{"id":"R245","pred":"aux","subj":"T540","obj":"T541"}],"text":"ems to be neces"}