PMC:7205724 / 370-382 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T52","span":{"begin":4,"end":9},"obj":"VBP"},{"id":"T53","span":{"begin":10,"end":12},"obj":"IN"}],"relations":[{"id":"R48","pred":"arg1Of","subj":"T52","obj":"T53"}],"text":"als exist on"}