PMC:548520 / 7553-7561 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T8257","span":{"begin":2,"end":4},"obj":"IN"},{"id":"T8258","span":{"begin":5,"end":8},"obj":"NN"}],"relations":[{"id":"R5068","pred":"pobj","subj":"T8258","obj":"T8257"}],"text":"a at P21"}