PMC:1448208 / 438-454 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T909","span":{"begin":0,"end":6},"obj":"NN"},{"id":"T912","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R65","pred":"prep","subj":"T912","obj":"T909"}],"text":"hurdle in develo"}