PMC:7205724 / 273-283 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T38","span":{"begin":0,"end":3},"obj":"DT"},{"id":"T39","span":{"begin":4,"end":7},"obj":"NN"},{"id":"T40","span":{"begin":8,"end":10},"obj":"IN"}],"relations":[{"id":"R34","pred":"arg1Of","subj":"T39","obj":"T38"},{"id":"R35","pred":"arg1Of","subj":"T39","obj":"T40"}],"text":"The use of"}