PMC:523229 / 49-67 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T245","span":{"begin":0,"end":11},"obj":"NN"},{"id":"T246","span":{"begin":12,"end":14},"obj":"IN"}],"relations":[{"id":"R16","pred":"prep","subj":"T246","obj":"T245"}],"text":"Maintenance of Art"}