def train(self,uWords,scope=4,splRulesFlag=True):
        self.language.setKnowledge(self.__buildKeyToCARTMap(uWords,scope,splRulesFlag,"primary"),"primary")
        self.language.setKnowledge(self.__buildKeyToCARTMap(uWords,scope,splRulesFlag,"predictive"),"predictive")
        return self.language