in athena-udfs-textanalytics/src/main/java/com/amazonaws/athena/udf/textanalytics/TextAnalyticsUDFHandler.java [490:500]
private String getEntityTypesAndValues(List<Entity> entities) throws Exception
{
List<String[]> typesAndValues = new ArrayList<String[]>();
for (Entity entity : entities) {
String type = entity.type().toString();
String value = entity.text();
typesAndValues.add(new String[]{type, value});
}
String resultjson = toJSON(typesAndValues);
return resultjson;
}