PMC:7199903 / 150-163 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T19","span":{"begin":0,"end":11},"obj":"NN"},{"id":"T20","span":{"begin":12,"end":13},"obj":"CD"}],"relations":[{"id":"R17","pred":"arg1Of","subj":"T19","obj":"T20"}],"text":"coronavirus 2"}