PMC:549712 / 75-84 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T279","span":{"begin":2,"end":5},"obj":"CC"},{"id":"T280","span":{"begin":6,"end":9},"obj":"RB"}],"relations":[{"id":"R12","pred":"neg","subj":"T280","obj":"T279"}],"text":"s but not"}