def data_reader(file_path, col_sep='\t'):
    """
    Load data
    :param file_path:
    :param col_sep:
    :return: list, list: contents, labels
    """
    contents = []
    labels = []
    with open(file_path, 'r', encoding='utf-8') as f:
        for line in f:
            line = line.rstrip()
            parts = line.split(col_sep)
            if len(parts) != 2:
                continue
            contents.append(parts[0])
            labels.append(parts[1])
    return contents, labels