def is_volume_classifier(model_prediction: dict, volume_metadata: dict) -> bool:
    """
    Is this a prediction of a volume classifier?

    :param model_prediction: a mapping from  identifiers to classification results
    :param volume_metadata: maps a volume_identifier to (exam_identifier, side, view)
    :return: Boolean
    """
    key = list(model_prediction.keys())[0]

    return key in volume_metadata