PMC:7205724 / 4342-4352 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T703","span":{"begin":2,"end":4},"obj":"IN"},{"id":"T704","span":{"begin":5,"end":9},"obj":"NN"}],"relations":[{"id":"R696","pred":"arg2Of","subj":"T704","obj":"T703"}],"text":"e of RRAR "}