PMC:1448208 / 42-51 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T840","span":{"begin":0,"end":6},"obj":"NNS"},{"id":"T841","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R6","pred":"prep","subj":"T841","obj":"T840"}],"text":"models of"}