PMC:7205724 / 5098-5103 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T838","span":{"begin":3,"end":4},"obj":"-LRB-"},{"id":"T839","span":{"begin":4,"end":5},"obj":"NN"}],"relations":[{"id":"R838","pred":"arg2Of","subj":"T839","obj":"T838"}],"text":"on (F"}