def extract_words_meanings(situation):
    """
    Given an utterance, extract the words and objects present

    :param situation: the 2 lines in the training file
    :return: (w_u: list<str>, m_u: list<str>)
    """
    words_str, meanings_str = situation
    w_u = words_str.split()
    m_u = meanings_str.split()
    return w_u, m_u