PMC:523229 / 335-348 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T286","span":{"begin":1,"end":6},"obj":"NN"},{"id":"T288","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R53","pred":"prep","subj":"T288","obj":"T286"}],"text":" layer of car"}