PMC:523229 / 133-155 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T252","span":{"begin":5,"end":14},"obj":"NN"},{"id":"T253","span":{"begin":15,"end":20},"obj":"VBZ"}],"relations":[{"id":"R20","pred":"nsubj","subj":"T252","obj":"T253"}],"text":"ular cartilage plays a"}