PMC:1941754 / 395-408 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T199","span":{"begin":0,"end":10},"obj":"NN"},{"id":"T200","span":{"begin":11,"end":12},"obj":"CD"}],"relations":[{"id":"R55","pred":"nummod","subj":"T200","obj":"T199"}],"text":"checkpoint 2 "}