PMC:7253482 / 298-323 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T43","span":{"begin":3,"end":12},"obj":"JJ"},{"id":"T44","span":{"begin":13,"end":19},"obj":"NN"},{"id":"T45","span":{"begin":20,"end":22},"obj":"IN"}],"relations":[{"id":"R40","pred":"arg1Of","subj":"T44","obj":"T43"},{"id":"R41","pred":"arg1Of","subj":"T44","obj":"T45"}],"text":"he principal target of th"}