PMC:7205724 / 4344-4351 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T703","span":{"begin":0,"end":2},"obj":"IN"},{"id":"T704","span":{"begin":3,"end":7},"obj":"NN"}],"relations":[{"id":"R696","pred":"arg2Of","subj":"T704","obj":"T703"}],"text":"of RRAR"}