PMC:7205724 / 68-76 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T10","span":{"begin":1,"end":4},"obj":"DT"},{"id":"T11","span":{"begin":5,"end":8},"obj":"NN"}],"relations":[{"id":"R9","pred":"arg1Of","subj":"T11","obj":"T10"}],"text":" the use"}