PMC:7228307 / 58422-58432 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T166","span":{"begin":2,"end":6},"obj":"NN"},{"id":"T167","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R167","pred":"arg1Of","subj":"T166","obj":"T167"}],"text":"e role of "}