PMC:7253482 / 541-551 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T80","span":{"begin":1,"end":5},"obj":"NN"},{"id":"T81","span":{"begin":6,"end":8},"obj":"IN"}],"relations":[{"id":"R77","pred":"arg1Of","subj":"T80","obj":"T81"}],"text":" area of h"}