Classifies the tweet into one of three classes (negative, neutral or positive) depending on the sentiment value
        of the tweet and the thresholds specified in the classifier_options

        :param tweet: String tweet to classify
        :return: Sentiment classification (negative, neutral or positive)

def classify(self, tweet):
        """
        Classifies the tweet into one of three classes (negative, neutral or positive) depending on the sentiment value
        of the tweet and the thresholds specified in the classifier_options

        :param tweet: String tweet to classify
        :return: Sentiment classification (negative, neutral or positive)
        """
        sentiment_value = self.calculate_sentiment(tweet)

        return Classification.classify_from_thresholds(sentiment_value,
                                                       classifier_options.get_variable(
                                                           classifier_options.Variable.CLASSIFICATION_THRESHOLD_LOWER),
                                                       classifier_options.get_variable(
                                                           classifier_options.Variable.CLASSIFICATION_THRESHOLD_HIGHER))