PMC:400732 / 65-75 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T240","span":{"begin":2,"end":10},"obj":"NN"}],"text":"l learning"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T147","span":{"begin":2,"end":10},"obj":"GO:0007612"}],"text":"l learning"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T89","span":{"begin":2,"end":10},"obj":"GO:0007612"}],"text":"l learning"}