def read_articles(source_path, target_path):
    """Read the articles in source and target languages."""
    with open(source_path, mode="r", encoding="utf-8") as source_file,\
         open(target_path, mode="r", encoding="utf-8") as target_file:
            source_sentences = [l for l in source_file]
            target_sentences = [l for l in target_file]
    return source_sentences, target_sentences