PMC:1858683 / 20770-20775 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T10145","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"nulls"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T9209","span":{"begin":0,"end":5},"obj":"SO_EXT:null_sequence_entity"}],"text":"nulls"}