PMC:7253482 / 372-375 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T54","span":{"begin":1,"end":2},"obj":"-LRB-"},{"id":"T55","span":{"begin":2,"end":3},"obj":"NN"}],"relations":[{"id":"R52","pred":"arg2Of","subj":"T55","obj":"T54"}],"text":" (S"}