PMC:7253482 / 1921-1933 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T292","span":{"begin":1,"end":5},"obj":"NN"},{"id":"T293","span":{"begin":6,"end":8},"obj":"IN"}],"relations":[{"id":"R288","pred":"arg1Of","subj":"T292","obj":"T293"}],"text":" lack of tar"}