english_language.top_n_words(N)
    norwegian_language.top_n_words(N)

    # Create dictionary to map words to idx
    english_language.index_words()
    norwegian_language.index_words()

    # Convert sentences into indices
    english_train_sentences_ids = convert_sentences_index(
        english_language, english_train_sentences)
    norwegian_train_sentences_ids = convert_sentences_index(
        norwegian_language, norwegian_train_sentences)
    english_test_sentences_ids = convert_sentences_index(
        english_language, english_test_sentences)
    norwegian_test_sentences_ids = convert_sentences_index(
        norwegian_language, norwegian_test_sentences)

    print(english_train_sentences_ids.shape)
    print(norwegian_train_sentences_ids.shape)

    # Vocabulary size of English and Norwegian
    english_vocab_size = english_language.vocab_size()
    norwegian_vocab_size = norwegian_language.vocab_size()

    print("Number of Training Sentences: %d" % len(english_train_sentences))
    print("English Vocab: %d" % english_vocab_size)
    print("Norwegian Vocab: %d" % norwegian_vocab_size)

    pkl.dump(english_language, open('./english_language', 'wb'))
    pkl.dump(norwegian_language, open('./norwegian_language', 'wb'))