PMC:7205724 / 383-392 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T54","span":{"begin":0,"end":3},"obj":"DT"},{"id":"T55","span":{"begin":4,"end":7},"obj":"NN"}],"relations":[{"id":"R50","pred":"arg1Of","subj":"T55","obj":"T54"}],"text":"the use o"}