def get_utterances(item, history_size=1):
    """ Gets all of the relevant utterances for an example.

    Input:
        item (Utterance): The example.
        history_size (int, optional): The number of utterances to include.

    Returns:
        list of list of str, representing all of the sequences.
    """
    utterances = item.histories(history_size - 1)
    utterances.append(item.input_sequence())
    return utterances