PMC:7253482 / 3426-3436 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T524","span":{"begin":0,"end":3},"obj":"JJ"},{"id":"T525","span":{"begin":4,"end":6},"obj":"TO"}],"relations":[{"id":"R523","pred":"arg1Of","subj":"T525","obj":"T524"}],"text":"due to ste"}