PMC:7205724 / 50-74 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T7","span":{"begin":0,"end":3},"obj":"CC"},{"id":"T8","span":{"begin":4,"end":14},"obj":"NN"},{"id":"T9","span":{"begin":15,"end":18},"obj":"IN"},{"id":"T10","span":{"begin":19,"end":22},"obj":"DT"}],"relations":[{"id":"R6","pred":"arg2Of","subj":"T8","obj":"T7"},{"id":"R7","pred":"arg1Of","subj":"T7","obj":"T9"}],"text":"and hypothesis for the u"}