Dataset Reader which combine inputs

Good day!’

How do I write a combining serveral inputs dataset reader in a DeepPavlov-way?

What about …? Is it possible?

"dataset_reader": {
    "class_name": "combine_classification_reader",
    "subreaders": [
        {
            "class_name": "basic_classification_reader",
            ....
        },
        {
           "class_name": "basic_classification_reader",
            ....
        }
    ]
}

Thanks!