PMC:1584416 / 543-564 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T164","span":{"begin":3,"end":5},"obj":"TO"},{"id":"T165","span":{"begin":6,"end":16},"obj":"VB"},{"id":"T166","span":{"begin":17,"end":19},"obj":"IN"}],"relations":[{"id":"R73","pred":"aux","subj":"T164","obj":"T165"},{"id":"R75","pred":"prep","subj":"T166","obj":"T165"}],"text":"es to contribute to t"}