def file_name_to_ref_p_and_restored_p(fileName):
    """
    Returns the appropriate filename based on the extension as denoted in the pipeline
    :param fileName:
    :return: Tuple of reference and restored filenames
    """
    refPuncFileName = fileName + "_reference_punc.txt"
    restoredPuncFileName = fileName + "_restored_punc.txt"
    return refPuncFileName, restoredPuncFileName