def __init__(self, text, user=None):
        """
        Initialize a Utterance object.

        :param str text: An utterance contributed by a user in the conversation that is to
        be analyzed. The utterance can contain multiple sentences.
        :param str user: (optional) A string that identifies the user who contributed the
        utterance specified by the `text` parameter.
        """
        self.text = text
        self.user = user
def __init__ ( self , text , user = None ) : self . text = text self . user = user
Initialize a Utterance object.

        :param str text: An utterance contributed by a user in the conversation that is to
        be analyzed. The utterance can contain multiple sentences.
        :param str user: (optional) A string that identifies the user who contributed the
        utterance specified by the `text` parameter.