{"text": "exampleA", "entities": [[0, 1, "LOC"]], "cats": ["positive"]}
{"text": "exampleB", "cats": ["positive"]}
{"text": "exampleC", "entities": [[0, 1, "LOC"]]}
{"text": "exampleD"}
{"entities": [[0, 1, "LOC"]], "cats": ["positive"]}