def sifting_metadata_for_edition_info(list_of_row_lists):
    """
    Sifts copyright OCR text in metadata records to look for keywords
    relevant to potential edition information.

    Parameters
    ----------
    list_of_row_lists: list
        A list of the metadata records returned
        from the original CSV.

    Returns
    ----------
    check_copyright_ocr_for_edition_info: list
        A list with values indicating whether the full copyright OCR text
        needs to be checked for edition information manually, and in what
        order of priority if so.
    """

    copyright_ocr_list = []
    check_copyright_ocr_for_edition_info = []

    for row in list_of_row_lists:
        copyright_ocr = row[5]
        clean_copyright_ocr = str(copyright_ocr).lower()
        cleaner_copyright_ocr = clean_copyright_ocr.replace("\n", "")
        cleanest_copyright_ocr = cleaner_copyright_ocr.replace(" ", "")
        copyright_ocr_list.append(cleanest_copyright_ocr)

    for copyright_ocr_item in copyright_ocr_list:
        if "edition" in copyright_ocr_item:
            check_for_edition_info = "YES -- CHECK FIRST"
            check_copyright_ocr_for_edition_info.append(check_for_edition_info)
        elif " ed." in copyright_ocr_item:
            check_for_edition_info = "YES -- CHECK SECOND"
            check_copyright_ocr_for_edition_info.append(check_for_edition_info)
        else:
            check_for_edition_info = "N"
            check_copyright_ocr_for_edition_info.append(check_for_edition_info)

    return check_copyright_ocr_for_edition_info