5. The method of claim 4 , wherein each of the portions is a respective utterance in the training data set.
5. The method of claim 4 , wherein each of the portions is a respective utterance in the training data set. 6. The method of claim 5 , wherein the applying comprises determining posterior probability scores for each of the utterances indicating a respective probability that the corresponding utterance conforms to the standard form language and a respective probability that the corresponding utterance conforms to the at least one dialect.