PMC:7205724 / 18-35 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T2","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T3","span":{"begin":9,"end":11},"obj":"IN"}],"relations":[{"id":"R2","pred":"arg1Of","subj":"T2","obj":"T3"}],"text":"planning of COVID"}