PMC:1626108 / 1001-1013 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T398","span":{"begin":2,"end":6},"obj":"NN"},{"id":"T400","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R157","pred":"prep","subj":"T400","obj":"T398"}],"text":"e role of Ra"}