PMC:509410 / 375-400 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T113","span":{"begin":1,"end":2},"obj":"."},{"id":"T115","span":{"begin":3,"end":5},"obj":"PRP"},{"id":"T116","span":{"begin":6,"end":14},"obj":"VBP"},{"id":"T117","span":{"begin":15,"end":18},"obj":"DT"}],"relations":[{"id":"R3","pred":"nsubj","subj":"T115","obj":"T116"}],"text":"s. We describe the engine"}