PMC:7205724 / 51-75 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T8","span":{"begin":3,"end":13},"obj":"NN"},{"id":"T9","span":{"begin":14,"end":17},"obj":"IN"},{"id":"T10","span":{"begin":18,"end":21},"obj":"DT"}],"text":"nd hypothesis for the us"}